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Mahdjoub H, Zebsa R, Kahalerras A, Amari H, Bensouilah S, Samways MJ, Khelifa R. Condition-dependent survival and movement behavior in an endangered endemic damselfly. Sci Rep 2023; 13:21819. [PMID: 38071197 PMCID: PMC10710475 DOI: 10.1038/s41598-023-48162-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 11/22/2023] [Indexed: 12/18/2023] Open
Abstract
Movement is essential for the maintenance of populations in their natural habitats, particularly for threatened species living in fluctuating environments. Empirical evidence suggests that the probability and distance of movement in territorial species are context-dependent, often depending on population density and sex. Here, we investigate the movement behavior of the spring cohort of an endangered endemic damselfly Calopteryx exul in a lotic habitat of Northeast Algeria using capture-mark-recapture (CMR) of adults. By sampling 10 gridded river stretches across a 2 km section of the watercourse, we were able to estimate the distance of movement throughout individual lifespans and estimate movement probability for both males and females. We used multistate models to examine whether individual density and sex ratio influence survival and movement probability. We found that males and females had similar movement kernels with most individuals moving short distances (83% performing movements of < 100 m and only 1% > 1000 m). Of the 547 marked individuals, 63% were residents, and 37% were movers (moved at least 50 m from one sampling occasion to another). Survival probability showed higher estimates for females and was slightly density-dependent (i.e., lower survival probabilities were associated with high male densities). Survival probability did not show a marked difference between residents and movers. Movement probability and distances were positively correlated with individual density, but were not or slightly correlated with sex ratio, respectively. These results are not in line with the hypotheses of sex-biased movement and survival costs of movement. Our results suggest that the species performs mostly short-distance movements that are dependent on intraspecific interactions.
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Affiliation(s)
- Hayat Mahdjoub
- Biology Department, Concordia University, 7141 Sherbrooke St. W., Montreal, QC, H4B 1R6, Canada
| | - Rabah Zebsa
- Department of Nature and Life Sciences, Faculty of Nature and Life Sciences and Earth and Universe Sciences, University of 08 May 1945, Guelma, Algeria
| | | | - Hichem Amari
- Department of Natural Sciences, Ecole Normale Supérieure de Ouargla, Ouargla, Algeria
| | | | - Michael J Samways
- Department of Conservation Ecology and Entomology, Stellenbosch University, Stellenbosch, South Africa
| | - Rassim Khelifa
- Biology Department, Concordia University, 7141 Sherbrooke St. W., Montreal, QC, H4B 1R6, Canada.
- Institute for Resources, Environment, and Sustainability, University of British Columbia, 2202 Main Mall, Vancouver, BC, V6T 1Z4, Canada.
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Salguero‐Gómez R, Evans DM, Gaillard J, Lancaster L, Sanders NJ, Scandrett K, Meyer J. Time counts in animal ecology. J Anim Ecol 2022; 91:2154-2157. [DOI: 10.1111/1365-2656.13821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 10/10/2022] [Indexed: 11/06/2022]
Affiliation(s)
| | - Darren M. Evans
- School of Natural and Environmental Sciences Newcastle University Newcastle‐upon‐Tyne UK
| | - Jean‐Michel Gaillard
- Mixed Research Unit (UMR 5558) “Biometry & Evolutionary Biology” University Claude Bernard Lyon 1, Campus de la Doua, Bâtiment Mendel Villeurbanne Cedex France
| | - Lesley Lancaster
- School of Biological Sciences University of Aberdeen Aberdeen UK
| | - Nathan J. Sanders
- Department of Ecology and Evolutionary Biology University of Michigan Ann Arbor Michigan USA
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Suhonen J, Ilvonen JJ, Korkeamäki E, Nokkala C, Salmela J. Using functional traits and phylogeny to understand local extinction risk in dragonflies and damselflies (Odonata). Ecol Evol 2022; 12:e8648. [PMID: 35342580 PMCID: PMC8928894 DOI: 10.1002/ece3.8648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 01/18/2022] [Accepted: 01/25/2022] [Indexed: 11/18/2022] Open
Abstract
Understanding the risk of local extinction of a species is vital in conservation biology, especially now when anthropogenic disturbances and global warming are severely changing natural habitats. Local extinction risk depends on species traits, such as its geographical range size, fresh body mass, dispersal ability, length of flying period, life history variation, and how specialized it is regarding its breeding habitat. We used a phylogenetic approach because closely related species are not independent observations in the statistical tests. Our field data contained the local extinction risk of 31 odonate (dragonflies and damselflies) species from Central Finland. Species relatedness (i.e., phylogenetic signal) did not affect local extinction risk, length of flying period, nor the geographical range size of a species. However, we found that closely related species were similar in hind wing length, length of larval period, and habitat of larvae. Both phylogenetically corrected (PGLS) and uncorrected (GLM) analysis indicated that the geographical range size of species was negatively related to local extinction risk. Contrary to expectations, habitat specialist species did not have higher local extinction rates than habitat generalist species nor was it affected by the relatedness of species. As predicted, species' long larval period increased, and long wings decreased the local extinction risk when evolutionary relatedness was controlled. Our results suggest that a relatively narrow geographical range size is an accurate estimate for a local extinction risk of an odonate species, but the species with long life history and large habitat niche width of adults increased local extinction risk. Because the results were so similar between PGLS and GLM methods, it seems that using a phylogenetic approach does not improve predicting local extinctions.
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Affiliation(s)
- Jukka Suhonen
- Department of BiologyUniversity of TurkuTurkuFinland
| | | | - Esa Korkeamäki
- Water and Environment Association of the River KymiKouvolaFinland
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Dolný A, Ožana S, Burda M, Harabiš F. Effects of Landscape Patterns and Their Changes to Species Richness, Species Composition, and the Conservation Value of Odonates (Insecta). INSECTS 2021; 12:insects12060478. [PMID: 34063796 PMCID: PMC8223798 DOI: 10.3390/insects12060478] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 05/17/2021] [Accepted: 05/19/2021] [Indexed: 11/29/2022]
Abstract
Simple Summary In this study, we aimed to evaluate the relationship between human transformations of land use/land cover and adult dragonfly diversity. Based on previous studies, we assumed that with increasing rates of environmental degradation and declining levels of naturalness, the representation of species with high conservation value would significantly decrease, which, however, would not affect the regional alpha diversity. Our results have shown that species richness did not correspond to habitat naturalness, but the occurrence of endangered species was significantly positively correlated with increasing naturalness; thus, habitat degradation and/or the level of naturalness significantly affected species composition, while species richness remained unchanged. Based on our analyses, it is evident that most natural areas, and therefore the least affected areas, provide suitable conditions for the largest number of endangered species. This research extends our knowledge about the impact of human activities, especially the conversion and degradation of habitats, on the composition of odonates and freshwater animals at the regional scale. Abstract Understanding the impact of the changing proportion of land-use patterns on species diversity is a critical issue in conservation biology, and odonates are good bioindicators of these environmental changes. Some freshwater ecosystems that have been modified due to human activities can serve as important secondary habitats for odonate assemblages; however, the majority of studies addressing the value of secondary habitats in industrial and urban areas for adult dragonfly diversity have been limited to the local scale, and the value of such habitats for gamma diversity is still unclear. The aim of this study was to determine the relationship between human transformations of land use/land cover and dragonfly diversity. We interpolated the information based on dragonfly occurrence per grid cell and land cover data, indicating naturalness and degradation in 677 grid cells in the Czech Republic. Species richness did not correspond to habitat naturalness, but the occurrence of endangered species was significantly positively correlated with increasing naturalness; thus, habitat degradation and/or the level of naturalness significantly affected species composition, while species richness remained unchanged. Threatened species that occur predominantly in natural areas and threatened species with a dominant occurrence in degraded squares were also separated, which indicated that the conservation of the latter should be prioritised.
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Affiliation(s)
- Aleš Dolný
- Department of Biology and Ecology, Faculty of Science, University of Ostrava, Chittussiho 10, CZ-710 00 Ostrava, Czech Republic
- Correspondence: (A.D.); (S.O.)
| | - Stanislav Ožana
- Department of Biology and Ecology, Faculty of Science, University of Ostrava, Chittussiho 10, CZ-710 00 Ostrava, Czech Republic
- Correspondence: (A.D.); (S.O.)
| | - Michal Burda
- Institute for Research and Applications of Fuzzy Modeling, University of Ostrava, 30. dubna 22, CZ-701 03 Ostrava, Czech Republic;
| | - Filip Harabiš
- Department of Ecology, Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kamýcká 129, CZ-165 00 Praha-Suchdol, Czech Republic;
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Renner S, Dalzochio MS, Périco E, Sahlén G, Suhonen J. Odonate species occupancy frequency distribution and abundance-occupancy relationship patterns in temporal and permanent water bodies in a subtropical area. Ecol Evol 2020; 10:7525-7536. [PMID: 32760546 PMCID: PMC7391549 DOI: 10.1002/ece3.6478] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 05/08/2020] [Accepted: 05/18/2020] [Indexed: 11/07/2022] Open
Abstract
This paper investigates species richness and species occupancy frequency distributions (SOFD) as well as patterns of abundance-occupancy relationship (SAOR) in Odonata (dragonflies and damselflies) in a subtropical area. A total of 82 species and 1983 individuals were noted from 73 permanent and temporal water bodies (lakes and ponds) in the Pampa biome in southern Brazil. Odonate species occupancy ranged from 1 to 54. There were few widely distributed generalist species and several specialist species with a restricted distribution. About 70% of the species occurred in <10% of the water bodies, yielding a surprisingly high number of rare species, often making up the majority of the communities. No difference in species richness was found between temporal and permanent water bodies. Both temporal and permanent water bodies had odonate assemblages that fitted best with the unimodal satellite SOFD pattern. It seems that unimodal satellite SOFD pattern frequently occurred in the aquatic habitats. The SAOR pattern was positive and did not differ between permanent and temporal water bodies. Our results are consistent with a niche-based model rather than a metapopulation dynamic model.
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Affiliation(s)
- Samuel Renner
- Laboratório de Ecologia e EvoluçãoUniversidade do Vale do Taquari –UNIVATESLajeadoBrazil
| | | | - Eduardo Périco
- Laboratório de Ecologia e EvoluçãoUniversidade do Vale do Taquari –UNIVATESLajeadoBrazil
| | - Göran Sahlén
- Ecology and Environmental ScienceRLASHalmstad UniversityHalmstadSweden
| | - Jukka Suhonen
- Department of BiologyUniversity of TurkuTurkuFinland
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Rocha-Ortega M, Rodríguez P, Bried J, Abbott J, Córdoba-Aguilar A. Why do bugs perish? Range size and local vulnerability traits as surrogates of Odonata extinction risk. Proc Biol Sci 2020; 287:20192645. [PMID: 32228412 PMCID: PMC7209059 DOI: 10.1098/rspb.2019.2645] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Accepted: 03/12/2020] [Indexed: 01/05/2023] Open
Abstract
Despite claims of an insect decline worldwide, our understanding of extinction risk in insects is incomplete. Using bionomic data of all odonate (603 dragonflies and damselflies) North American species, we assessed (i) regional extinction risk and whether this is related to local extirpation; (ii) whether these two patterns are similar altitudinally and latitudinally; and (iii) the areas of conservation concern. We used geographic range size as a predictor of regional extinction risk and body size, thermal limits and habitat association as predictors of local extirpation. We found that (i) greater regional extinction risk is related to narrow thermal limits, lotic habitat use and large body size (this in damselflies but not dragonflies); (ii) southern species are more climate tolerant but with more limited geographic range size than northern species; and (iii) two priority areas for odonate conservation are the cold temperate to sub-boreal northeastern USA and the transversal neo-volcanic system. Our approach can be used to estimate insect extinction risk as it compensates for the lack of abundance data.
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Affiliation(s)
- Maya Rocha-Ortega
- Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México, Apdo. P. 70-275, Circuito Exterior, Ciudad Universitaria, 04510 Coyoacán, Distrito Federal, Mexico
| | - Pilar Rodríguez
- Comisión Nacional para el Conocimiento y Uso de la Biodiversidad, Liga Periférico-Insurgentes Sur 4903 Col. Parques del Pedregal, Tlalpan, CP 14010 México D.F., Mexico
| | - Jason Bried
- Illinois Natural History Survey, University of Illinois at Urbana-Champaign, 1816 South Oak Street, MC 652, Champaign, IL 61820, USA
| | - John Abbott
- Alabama Museum of Natural History, The University of Alabama, Box 870340, Tuscaloosa, AL 35487, USA
| | - Alex Córdoba-Aguilar
- Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México, Apdo. P. 70-275, Circuito Exterior, Ciudad Universitaria, 04510 Coyoacán, Distrito Federal, Mexico
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Suhonen J, Ilvonen JJ, Nyman T, Sorvari J. Brood parasitism in eusocial insects (Hymenoptera): role of host geographical range size and phylogeny. Philos Trans R Soc Lond B Biol Sci 2020; 374:20180203. [PMID: 30967081 DOI: 10.1098/rstb.2018.0203] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Interspecific brood parasitism is common in many animal systems. Brood parasites enter the nests of other species and divert host resources for producing their own offspring, which can lead to strong antagonistic parasite-host coevolution. Here, we look at commonalities among social insect species that are victims of brood parasites, and use phylogenetic data and information on geographical range size to predict which species are most probably to fall victims to brood parasites in the future. In our analyses, we focus on three eusocial hymenopteran groups and their brood parasites: (i) bumblebees, (ii) Myrmica ants, and (iii) vespine and polistine wasps. In these groups, some, but not all, species are parasitized by obligate workerless inquilines that only produce reproductive-caste descendants. We find phylogenetic signals for geographical range size and the presence of parasites in bumblebees, but not in ants and wasps. Phylogenetic logistic regressions indicate that the probability of being attacked by one or more brood parasite species increases with the size of the geographical range in bumblebees, but the effect is statistically only marginally significant in ants. However, non-phylogenetic logistic regressions suggest that bumblebee species with the largest geographical range sizes may have a lower likelihood of harbouring social parasites than do hosts with medium-sized ranges. Our results provide new insights into the ecology and evolution of host-social parasite systems, and indicate that host phylogeny and geographical range size can be used to predict threats posed by social parasites, as well to design efficient conservation measures for both hosts and their parasites. This article is part of the theme issue 'The coevolutionary biology of brood parasitism: from mechanism to pattern'.
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Affiliation(s)
- Jukka Suhonen
- 1 Department of Biology, University of Turku , 20014 Turku , Finland
| | - Jaakko J Ilvonen
- 1 Department of Biology, University of Turku , 20014 Turku , Finland
| | - Tommi Nyman
- 2 Department of Ecosystems in the Barents Region, Norwegian Institute of Bioeconomy Research , Svanhovd Research Station, 9925 Svanvik , Norway.,3 Department of Environmental and Biological Sciences, University of Eastern Finland , PO Box 111, 80101 Joensuu , Finland
| | - Jouni Sorvari
- 4 Department of Environmental and Biological Sciences, University of Eastern Finland , PO Box 1627, 70211 Kuopio , Finland
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Schilling EG, Lawrenz R, Kundel H. An Assessment of the Geographic Distribution and Status of a Rare Dragonfly, Rhionaeschna mutata, at the Northwestern Edge of Its Range. Northeast Nat (Steuben) 2019. [DOI: 10.1656/045.026.0305] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
| | - Ron Lawrenz
- Science Museum of Minnesota's Warner Nature Center, Marine on St Croix, MN 55047
| | - Holly Kundel
- Biology Department, Augsburg University, Minneapolis, MN 55454
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Córdoba-Aguilar A, Rocha-Ortega M. Damselfly (Odonata: Calopterygidae) Population Decline in an Urbanizing Watershed. JOURNAL OF INSECT SCIENCE (ONLINE) 2019; 19:5523070. [PMID: 31253984 PMCID: PMC6599065 DOI: 10.1093/jisesa/iez063] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Indexed: 06/09/2023]
Abstract
Reduction of terrestrial vegetation and degradation of water quality are among the factors driving insect population decline in growing cities. In this study, we investigated the extent of habitat deterioration, behavioral and physiological responses, and fitness of a damselfly [Hetaerina americana (F.)] population in a semitropical region in central Mexico. The study population was located in a riverine area that crosses a small urban area (Tehuixtla city). We related two habitat variables (tree/shrub covered area and numbers of wastewater outlets) to presumable damselfly responses (larval and adult abundance, duration of adults exposed directly to sunlight, lipid content and muscle mass, and egg survival) over the years 2002 and 2016. We detected a reduction in terrestrial vegetation cover, an increase in wastewater outlets, and a decrease in larval and adult abundance. Adults were more exposed to sunlight in 2016 than in 2002 and showed a reduced lipid content and muscle mass in 2016. Egg survival also decreased. Although correlative, these results suggest impairment of damselfly condition (via lipid and muscle reduction) and fitness as urbanization increases.
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Affiliation(s)
- Alex Córdoba-Aguilar
- Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México, Apdo. P. 70–275, Circuito Exterior, Ciudad Universitaria, Coyoacán, Distrito Federal, Mexico
| | - Maya Rocha-Ortega
- Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México, Apdo. P. 70–275, Circuito Exterior, Ciudad Universitaria, Coyoacán, Distrito Federal, Mexico
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DIVERSITY OF Odonata AND AQUATIC ENVIRONMENTAL CONDITIONS IN LAKE AREA (WATER SKI AND OPI) JAKABARING PALEMBANG-SOUTH SUMATERA. BIOVALENTIA: BIOLOGICAL RESEARCH JOURNAL 2018. [DOI: 10.24233/biov.4.2.2018.118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Odonata are considered to be good indicators of enviromental health and water quality with it’s presence and diversity in the Jakabaring lake are (Water Ski and OPI). The research location (Water Ski and OPI) untilized by the community as water catchment areas (flood control), recreation and habitat. The Activity in the lake area can affect the benefit of the lake, affecting the quality of the lake waters as a living habitat for animals and plants.However, to describe the diversity of odonata as indicator of the waters in the area of Water Ski and Lake OPI lakes, there is no such thing, therefore the researchers to look at odonata diversity in the area of Water Ski Lake and Lake OPI Jakabaring Palembang-South Sumatera. The location of the study was determined using the purposive sampling method conducted in April 2018. The species found to identified at the FMIPA Animal Taxonomy Laboratory of Sriwijaya University. Sampling in the morning (07.00 – 10.00 AM) and afternoon (15.00 – 18.00 AM). The results of research in the lake area found 2 suborder, 2 families, 11 genere, and 18 species, the total number of all 984 individual species. Odonata species data obtained in the analysis using Past3 software. The diversity index in the Water Ski lake is 1.992 and the diversity index in the OPI lake is 1.758. Diversity index value (2.014), dominance index (0.7922) and evenness index (0.4165). Odonata and enviromental conditions of the lake (Water Ski and OPI) still have relationship, the condition of lake water quality is still below water quality criteria threshold. This is what makes the diversity on both lakes has a moderate value.
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Phillips P, Swanson BJ. A genetic analysis of dragonfly population structure. Ecol Evol 2018; 8:7206-7215. [PMID: 30073079 PMCID: PMC6065342 DOI: 10.1002/ece3.4255] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Revised: 03/06/2018] [Accepted: 05/14/2018] [Indexed: 11/11/2022] Open
Abstract
Dragonflies reside in both aquatic and terrestrial environments, depending on their life stage, necessitating the conservation of drastically different habitats; however, little is understood about how nymph and adult dragonflies function as metapopulations within connected habitat. We used genetic techniques to examine nymphs and adults within a single metapopulation both spatially and temporally to better understand metapopulation structure and the processes that might influence said structure. We sampled 97 nymphs and 149 adult Sympetrum obtrusum from eight locations, four aquatic, and four terrestrial, at the Pierce Cedar Creek Institute in Southwest Michigan over two summers. We performed AFLP genetic analysis and used the Bayesian analysis program STRUCTURE to detect genetic clusters from sampled individuals. STRUCTURE detected k = u4 populations, in which nymphs and adults from the same locations collected in different years did not necessarily fall into the same clusters. We also evaluated grouping using the statistical clustering analyses NMDS and MRPP. The results of these confirmed findings from STRUCTURE and emphasized differences between adults collected in 2012 and all other generations. These results suggest that both dispersal and a temporal cycle of emergence of nymphs from unique clusters every other year could be influential in structuring dragonfly populations, although our methods were not able to fully distinguish the influences of either force. This study provides a better understanding of local dragonfly metapopulation structure and provides a starting point for future studies to investigate the spatial and temporal mechanisms controlling metapopulation structure. The results of the study should prove informative for managers working to preserve genetic diversity in connected dragonfly metapopulations, especially in the face of increasing anthropogenic landscape changes.
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Affiliation(s)
- Payton Phillips
- Department of BiologyCentral Michigan UniversityMt. PleasantMichigan
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Korkeamäki E, Elo M, Sahlén G, Salmela J, Suhonen J. Regional variations in occupancy frequency distribution patterns between odonate assemblages in Fennoscandia. Ecosphere 2018. [DOI: 10.1002/ecs2.2192] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Affiliation(s)
- Esa Korkeamäki
- Water and Environment Association of the River Kymi Tapiontie 2 C FI‐45160 Kouvola Finland
| | - Merja Elo
- Department of Biological and Environmental Sciences University of Jyväskylä P.O. Box 35 FI‐40014 Jyväskylä Finland
| | - Göran Sahlén
- Ecology and Environmental Science RLAS Halmstad University P.O. Box 823 30118 Halmstad Sweden
| | - Jukka Salmela
- Regional Museum of Lapland Pohjoisranta 4 FI‐96200 Rovaniemi Finland
| | - Jukka Suhonen
- Section of Ecology Department of Biology University of Turku FI‐20014 Turku Finland
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Kaunisto KM, Kaunisto P, Ilvonen JJ, Suhonen J. Parasitism, immune response, and egg production of the spearhead bluet ( Coenagrion hastulatum) damselfly. CAN J ZOOL 2017. [DOI: 10.1139/cjz-2016-0146] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Theoretical models predict that parasites reduce reproductive success of their hosts, but very few empirical studies have given support to this. Using the spearhead bluet (Coenagrion hastulatum (Charpentier, 1825)) damselfly, we tested how immune response, wing length, and the number of both endo- and ecto-parasites affect egg production of host damselflies. The study was conducted with four different populations in southwest Finland. We found a negative association between endoparasitic gregarines and number of host eggs. Furthermore, immune response increased with the number of water mites, but decreased with the number of eggs. Contrary to previous studies with other damselfly species, the number of ectoparasitic water mites did not affect the number of eggs. Moreover, wing length, used as an indicator of individual size, was not associated with egg numbers. The negative effect of gregarine parasites on egg numbers is likely to affect the composition of host populations, i.e., damselflies that show higher resistance to these endoparasites will have more of their offspring represented in subsequent generations. In future, more experimental research on the varying effects of different parasite species on the number of eggs is needed.
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Affiliation(s)
- Kari M. Kaunisto
- Zoological Museum, Biodiversity Unit, University of Turku, FI-20014, Turku, Finland
| | - Pipsa Kaunisto
- Parks and Wildlife Finland, Southern Finland, Metsähallitus, Turku, Finland
| | - Jaakko J. Ilvonen
- Department of Biology, University of Turku, FI-20014, Turku, Finland
| | - Jukka Suhonen
- Department of Biology, University of Turku, FI-20014, Turku, Finland
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Suhonen J, Rannikko J, Sorvari J. The Rarity of Host Species Affects the Co-Extinction Risk in Socially Parasitic BumblebeeBombus(Psithyrus) Species. ANN ZOOL FENN 2015. [DOI: 10.5735/086.052.0402] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Bried J, Tear T, Shirer R, Zimmerman C, Gifford N, Campbell S, O'Brien K. A framework to integrate habitat monitoring and restoration with endangered insect recovery. ENVIRONMENTAL MANAGEMENT 2014; 54:1385-1398. [PMID: 25108660 DOI: 10.1007/s00267-014-0351-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2013] [Accepted: 07/28/2014] [Indexed: 06/03/2023]
Abstract
Monitoring is essential to track the long-term recovery of endangered species. Greater emphasis on habitat monitoring is especially important for taxa whose populations may be difficult to quantify (e.g., insects) or when true recovery (delisting) requires continuous species-specific habitat management. In this paper, we outline and implement a standardized framework to facilitate the integration of habitat monitoring with species recovery efforts. The framework has five parts: (1) identify appropriate sample units, (2) select measurable indicators of habitat requirements, (3) determine rating categories for these indicators, (4) design and implement appropriate data collection protocols, and (5) synthesize the ratings into an overall measure of habitat potential. Following these steps, we developed a set of recovery criteria to estimate habitat potential and initially assess restoration activities in the context of recovering an endangered insect, the Karner blue butterfly (Lycaeides melissa samuelis). We recommend basing the habitat potential grading scheme on recovery plan criteria, the latest information on species biology, and working hypotheses as needed. The habitat-based assessment framework helps to identify which recovery areas and habitat patches are worth investing in and what type of site-specific restoration work is needed. We propose that the transparency and decision-making process in endangered insect recovery efforts could be improved through adaptive management that explicitly identifies and tracks progress toward habitat objectives and ultimate population recovery.
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Affiliation(s)
- Jason Bried
- Department of Zoology, Oklahoma State University, 501 Life Sciences West, Stillwater, OK, 74078, USA,
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Dolný A, Harabiš F, Mižičová H. Home range, movement, and distribution patterns of the threatened dragonfly Sympetrum depressiusculum (Odonata: Libellulidae): a thousand times greater territory to protect? PLoS One 2014; 9:e100408. [PMID: 25006671 PMCID: PMC4090123 DOI: 10.1371/journal.pone.0100408] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2013] [Accepted: 05/27/2014] [Indexed: 11/21/2022] Open
Abstract
Dragonflies are good indicators of environmental health and biodiversity. Most studies addressing dragonfly ecology have focused on the importance of aquatic habitats, while the value of surrounding terrestrial habitats has often been overlooked. However, species associated with temporary aquatic habitats must persist in terrestrial environments for long periods. Little is known about the importance of terrestrial habitat patches for dragonflies, or about other factors that initiate or influence dispersal behaviour. The aim of this study was to reveal the relationship between population dynamics of the threatened dragonfly species Sympetrum depressiusculum at its natal site and its dispersal behaviour or routine movements within its terrestrial home range. We used a mark–release–recapture method (marking 2,881 adults) and exuviae collection with the Jolly–Seber model and generalized linear models to analyse seasonal and spatial patterns of routine movement in a heterogeneous Central European landscape. Our results show that utilisation of terrestrial habitat patches by adult dragonflies is not random and may be relatively long term (approximately 3 mo). Adult dragonflies were present only in areas with dense vegetation that provided sufficient resources; the insects were absent from active agricultural patches (p = 0.019). These findings demonstrate that even a species tightly linked to its natal site utilises an area that is several orders of magnitude larger than the natal site. Therefore, negative trends in the occurrence of various dragonfly species may be associated not only with disturbances to their aquatic habitats, but also with changes in the surrounding terrestrial landscape.
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Affiliation(s)
- Aleš Dolný
- Department of Biology and Ecology/Institute of Environmental Technologies, Faculty of Science, University of Ostrava, Ostrava, Czech Republic
- * E-mail:
| | - Filip Harabiš
- Department of Ecology, Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Prague, Czech Republic
| | - Hana Mižičová
- Department of Biology and Ecology/Institute of Environmental Technologies, Faculty of Science, University of Ostrava, Ostrava, Czech Republic
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Suhonen J, Korkeamäki E, Salmela J, Kuitunen M. Risk of local extinction of Odonata freshwater habitat generalists and specialists. CONSERVATION BIOLOGY : THE JOURNAL OF THE SOCIETY FOR CONSERVATION BIOLOGY 2014; 28:783-789. [PMID: 24405332 DOI: 10.1111/cobi.12231] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2012] [Accepted: 09/03/2013] [Indexed: 06/03/2023]
Abstract
Understanding the risk of a local extinction in a single population relative to the habitat requirements of a species is important in both theoretical and applied ecology. Local extinction risk depends on several factors, such as habitat requirements, range size of species, and habitat quality. We studied the local extinctions among 31 dragonfly and damselfly species from 1930 to 1975 and from 1995 to 2003 in Central Finland. We tested whether habitat specialists had a higher local extinction rate than generalist species. Approximately 30% of the local dragonfly and damselfly populations were extirpated during the 2 study periods. The size of the geographical range of the species was negatively related to extinction rate of the local populations. In contrast to our prediction, the specialist species had lower local extinction rates than the generalist species, probably because generalist species occurred in both low- and high-quality habitat. Our results are consistent with source-sink theory.
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Affiliation(s)
- Jukka Suhonen
- Department of Biological and Environmental Science, University of Jyväskylä, P.O. Box 35, FIN-40014, Jyväskylä, Finland; Section of Ecology, Department of Biology, University of Turku, FI-20014, Turku, Finland
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18
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Chevallier C, Crochet PA, Vincent-Martin N, Ravayrol A, Besnard A. Use of mixture models to characterize site quality in philopatric animals: a case study with Bonelli's eagle. Anim Conserv 2012. [DOI: 10.1111/j.1469-1795.2012.00584.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- C. Chevallier
- UMR 5175; Centre d'Ecologie Fonctionnelle et Evolutive; Montpellier; France
| | - P-A. Crochet
- UMR 5175; Centre d'Ecologie Fonctionnelle et Evolutive; Montpellier; France
| | - N. Vincent-Martin
- Conservatoire d'espaces naturels de PACA, Ecomusée de la Crau; Boulevard de Provence; Saint Martin de Crau; France
| | - A. Ravayrol
- La Salsepareille; Clermont l'Hérault; France
| | - A. Besnard
- UMR 5175; Centre d'Ecologie Fonctionnelle et Evolutive; Montpellier; France
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19
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Knapp CR, Perez-Heydrich C. Using non-conspicuous metrics to examine selected impacts of disturbance on a long-lived reptile. ENDANGER SPECIES RES 2012. [DOI: 10.3354/esr00424] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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