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Hebbar KB, P AS, Jose V S, S V R, Bhat R. Predicting current and future climate suitability for arecanut ( Areca catechu L.) in India using ensemble model. Heliyon 2024; 10:e26382. [PMID: 38420454 PMCID: PMC10901027 DOI: 10.1016/j.heliyon.2024.e26382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Revised: 01/20/2024] [Accepted: 02/12/2024] [Indexed: 03/02/2024] Open
Abstract
Climate change has the potential to influence plant development, physiology, and distribution. Arecanut (Areca catechu L.), with its long life span of 60-70 years, thrives in a tropical habitat remains exposed to various abiotic and biotic factors. It is pertinent to comprehend the adaptation strategies of this crop towards climate change over time. The Biomod2 ensemble platform for species distribution modeling was utilized to predict the potential impact of climate change on the adaptability of the crop. The extracted study region of India was used for prediction, and the final run of 6 models ensemble includes 894 occurrence points and 9 climate variables with 80%-20% of training and validation sets. The model's outputs had area under curve (AUC) values of 0.943 and true skills statistics (TSS) of 0.741, which are regarded as accurate. The research area was categorized into five groups: very high, high, moderate, low, and very low. The examination involved assessing the shift in each category from the present to two prospective scenarios (shared socio-economic pathways; SSP 2-4.5 and SSP 5-8.5) projected for the 2050s and 2070s. A shift in the climate suitability area from 'very high' and 'high' categories to 'moderate' or 'very low' categories was observed suggesting the need for adaptive strategies to sustain the current yield levels. Amongst the regions, Karnataka state, which at present has more than 50% area under cultivation, is highly vulnerable and more area is coming under 'very low' and 'low' categories from eastern side. Meanwhile, in north eastern part of the country a shift in high suitable region from northwest to southwest is observed. Overall, the model prediction suggests that some parts of west and south interior regions of the country warrant immediate consideration in order to adapt to future climate change, whereas some part of north east can be considered for future cultivation.
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Affiliation(s)
- K B Hebbar
- Indian Council of Agricultural Research - Central Plantation Crops Research Institute, Kasaragod, Kerala, India
| | - Abhin Sukumar P
- Indian Council of Agricultural Research - Central Plantation Crops Research Institute, Kasaragod, Kerala, India
| | | | - Ramesh S V
- Indian Council of Agricultural Research - Central Plantation Crops Research Institute, Kasaragod, Kerala, India
| | - Ravi Bhat
- Indian Council of Agricultural Research - Central Plantation Crops Research Institute, Kasaragod, Kerala, India
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Karuppaiah V, Maruthadurai R, Das B, Soumia PS, Gadge AS, Thangasamy A, Ramesh SV, Shirsat DV, Mahajan V, Krishna H, Singh M. Predicting the potential geographical distribution of onion thrips, Thrips tabaci in India based on climate change projections using MaxEnt. Sci Rep 2023; 13:7934. [PMID: 37193780 DOI: 10.1038/s41598-023-35012-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 05/11/2023] [Indexed: 05/18/2023] Open
Abstract
Onion thrips, Thrips tabaci Lindeman, an economically important onion pest in India, poses a severe threat to the domestic and export supply of onions. Therefore, it is important to study the distribution of this pest in order to assess the possible crop loss, which it may inflict if not managed in time. In this study, MaxEnt was used to analyze the potential distribution of T. tabaci in India and predict the changes in the suitable areas for onion thrips under two scenarios, SSP126 and SSP585. The area under the receiver operating characteristic curve values of 0.993 and 0.989 for training and testing demonstrated excellent model accuracy. The true skill statistic value of 0.944 and 0.921, and the continuous Boyce index of 0.964 and 0.889 for training and testing, also showed higher model accuracy. Annual Mean Temperature (bio1), Annual Precipitation (bio12) and Precipitation Seasonality (bio15) are the main variables that determined the potential distribution of T. tabaci, with the suitable range of 22-28 °C; 300-1000 mm and 70-160, respectively. T. tabaci is distributed mainly in India's central and southern states, with 1.17 × 106 km2, covering 36.4% of land area under the current scenario. Multimodal ensembles show that under a low emission scenario (SSP126), low, moderate and optimum suitable areas of T. tabaci is likely to increase, while highly suitable areas would decrease by 17.4% in 2050 20.9% in 2070. Whereas, under the high emission scenario (SSP585), the high suitability is likely to contract by 24.2% and 51.7% for 2050 and 2070, respectively. According to the prediction of the BCC-CSM2-MR, CanESM5, CNRM-CM6-1 and MIROC6 model, the highly suitable area for T. tabaci would likely contract under both SSP126 and SSP585. This study detailed the potential future habitable area for T. tabaci in India, which could help monitor and devise efficient management strategies for this destructive pest.
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Affiliation(s)
- V Karuppaiah
- ICAR-Directorate of Onion and Garlic Research, Rajgurunagar, Pune, Maharashtra, 410 505, India.
| | - R Maruthadurai
- ICAR-Central Coastal Agricultural Research Institute, Ela, Old Goa, Goa, 403 402, India.
| | - Bappa Das
- ICAR-Central Coastal Agricultural Research Institute, Ela, Old Goa, Goa, 403 402, India
| | - P S Soumia
- ICAR-Directorate of Onion and Garlic Research, Rajgurunagar, Pune, Maharashtra, 410 505, India
| | - Ankush S Gadge
- ICAR-Directorate of Onion and Garlic Research, Rajgurunagar, Pune, Maharashtra, 410 505, India
| | - A Thangasamy
- ICAR-Directorate of Onion and Garlic Research, Rajgurunagar, Pune, Maharashtra, 410 505, India
| | - S V Ramesh
- ICAR-Central Plantation Crops Research Institute, Kasaragod, Kerala, 671 124, India
| | - Dhananjay V Shirsat
- ICAR-Directorate of Onion and Garlic Research, Rajgurunagar, Pune, Maharashtra, 410 505, India
| | - Vijay Mahajan
- ICAR-Directorate of Onion and Garlic Research, Rajgurunagar, Pune, Maharashtra, 410 505, India
| | - Hare Krishna
- ICAR-Indian Institute of Vegetable Research, Varanasi, Uttar Pradesh, 221 305, India
| | - Major Singh
- ICAR-Directorate of Onion and Garlic Research, Rajgurunagar, Pune, Maharashtra, 410 505, India
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Projected Shifts in Bird Distribution in India under Climate Change. DIVERSITY 2023. [DOI: 10.3390/d15030404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
Abstract
Global climate change is causing unprecedented impacts on biodiversity. In India, there is little information available regarding how climate change affects biodiversity at the taxon/group level, and large-scale ecological analyses have been lacking. In this study, we demonstrated the applicability of eBird and GBIF (Global Biodiversity Information Facility), and produced national-scale forecasts to examine the possible impacts of climate change on terrestrial avifauna in India. Using data collected by citizen scientists, we developed fine-tuned Species Distribution Models (SDMs) and predicted 1091 terrestrial bird species that would be distributed in India by 2070 on two climatic surfaces (RCP 4.5 and 8.5), using Maximum Entropy-based species distribution algorithms. Of the 1091 species modelled, our findings indicate that 66–73% of bird species in India will shift to higher elevations or shift northward, and 58–59% of bird species (RCP 4.5 and 8.5) would lose a portion of their distribution ranges. Furthermore, distribution ranges of 41–40% of bird species would increase. Under both RCP scenarios (RCP 4.5 and 8.5), bird species diversity will significantly increase in regions above 2500 m in elevation. Both RCP scenarios predict extensive changes in the species richness of the western Himalayas, Sikkim, northeast India, and the western Ghats regions by 2070. This study has resulted in novel, high-resolution maps of terrestrial bird species richness across India, and we predict predominantly northward shifts in species ranges, similar to predictions made for avifauna in other regions, such as Europe and the USA.
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Souza PGC, Aidoo OF, Farnezi PKB, Heve WK, Júnior PAS, Picanço MC, Ninsin KD, Ablormeti FK, Shah MA, Siddiqui SA, Silva RS. Tamarixia radiata global distribution to current and future climate using the climate change experiment (CLIMEX) model. Sci Rep 2023; 13:1823. [PMID: 36725902 PMCID: PMC9892569 DOI: 10.1038/s41598-023-29064-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Accepted: 01/30/2023] [Indexed: 02/03/2023] Open
Abstract
The phloem-limited bacteria, "Candidatus Liberibacter asiaticus" and "Ca. L. americanus", are the causal pathogens responsible for Huanglongbing (HLB). The Asian citrus psyllid Diaphorina citri Kuwayama (Hemiptera: Liviidae) is the principal vector of these "Ca. Liberibacter" species. Though Tamarixia radiata Waterston (Hymenoptera: Eulophidae) has been useful in biological control programmes against D. citri, information on its global distribution remains vague. Using the Climate Change Experiment (CLIMEX) model, the potential global distribution of T. radiata under the 2050s, 2070s, and 2090s for Special Report on Emissions Scenarios A1B and A2 was defined globally. The results showed that habitat suitability for T. radiata covered Africa, Asia, Europe, Oceania, and the Americas. The model predicted climate suitable areas for T. radiata beyond its presently known native and non-native areas. The new locations predicted to have habitat suitability for T. radiata included parts of Europe and Oceania. Under the different climate change scenarios, the model predicted contraction of high habitat suitability (EI > 30) for T. radiata from the 2050s to the 2090s. Nevertheless, the distribution maps created using the CLIMEX model may be helpful in the search for and release of T. radiata in new regions.
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Affiliation(s)
- Philipe G C Souza
- Department of Agronomy, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, MG, 39100-000, Brazil
| | - Owusu F Aidoo
- Department of Biological Sciences, University of Environment and Sustainable Development, Somanya, Ghana.
| | - Priscila K B Farnezi
- Department of Agronomy, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, MG, 39100-000, Brazil
| | - William K Heve
- Department of Biological Sciences, University of Environment and Sustainable Development, Somanya, Ghana
| | - Paulo A S Júnior
- Department of Entomology, Universidade Federal de Viçosa, Av. P. H. Rolfs, s/n, Viçosa, MG, 36570-900, Brazil
| | - Marcelo C Picanço
- Department of Entomology, Universidade Federal de Viçosa, Av. P. H. Rolfs, s/n, Viçosa, MG, 36570-900, Brazil
| | - Kodwo D Ninsin
- Department of Biological Sciences, University of Environment and Sustainable Development, Somanya, Ghana
| | - Fred K Ablormeti
- Council for Scientific and Industrial Research, Oil Palm Research Institute, Sekondi, W/R, Ghana
| | - Mohd Asif Shah
- Department of Management Science, Kebri Dehar University, Kebri Dehar, Ethiopia.
- School of Business, Woxsen University, Kamkole, Sadasivpet, Hyderabad, 502345, Telangana, India.
| | - Shahida Anusha Siddiqui
- Campus Straubing for Biotechnology and Sustainability, Technical University of Munich, Essigberg 3, 94315, Straubing, Germany
- German Institute of Food Technologies (DIL e.v.), Prof.-von-Klitzing Str. 7, 49610, Quakenbrück, Germany
| | - Ricardo S Silva
- Department of Agronomy, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, MG, 39100-000, Brazil
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Dong PB, Wang LJ, Jia Y, Li ZH, Wang HY, Guo FX, Chen Y. Niche divergence at the intraspecific level in an endemic rare peony ( Paeonia rockii): A phylogenetic, climatic and environmental survey. FRONTIERS IN PLANT SCIENCE 2022; 13:978011. [PMID: 36388470 PMCID: PMC9663928 DOI: 10.3389/fpls.2022.978011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Accepted: 10/10/2022] [Indexed: 06/16/2023]
Abstract
Ecological factors have received increasing attention as drivers of speciation but also in the maintenance of postspeciation divergence. However, the relative significance of the responses of species to climate oscillations for driving niche divergence or conservatism in the evolution of many species that pass through diverse environments and limited geographical boundaries remains poorly understood. Paeonia rockii (one of the ancient species of Paeonia) comprising two subspecies called Paeonia rockii subsp. rockii and Paeonia rockii subsp. taibaishanica is an endemic, rare, and endangered medicinal plant in China. In this study, we integrated whole chloroplast genomes, and ecological factors to obtain insights into ecological speciation and species divergence in this endemic rare peony. RAxML analysis indicated that the topological trees recovered from three different data sets were identical, where P. rockii subsp. rockii and P. rockii subsp. taibaishanica clustered together, and molecular dating analyses suggested that the two subspecies diverged 0.83 million years ago. In addition, ecological niche modeling showed that the predicted suitable distribution areas for P. rockii subsp. rockii and P. rockii subsp. taibaishanica differed considerably, although the predicted core distribution areas were similar, where the population contracted in the last interglacial and expanded in the last glacial maximum. Under the emissions scenarios for the 2050s and 2070s, the suitable distribution areas were predicted to contract significantly, where the migration routes of the two subspecies tended to migrate toward high latitudes and elevations, thereby suggesting strong responses of the distributions of the two subspecies to climate change. These findings combined with the phylogeographic relationships provide comprehensive insights into niche variation and differentiation in this endemic rare peony, and they highlight the importance of geological and climatic changes for species divergence and changes in the population geographic patterns of rare and endangered medicinal plants in East Asia.
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Affiliation(s)
- Peng-Bin Dong
- College of Agronomy, College of Life Science and Technology, State Key Laboratory of Arid land Crop Science, Gansu Agricultural University, Lanzhou, China
| | - Ling-Juan Wang
- College of Agriculture, Ningxia University, Yinchuan, China
| | - Yun Jia
- Xi’an Botanical Garden of Shaanxi Province (Institute of Botany of Shaanxi Province), Xi’an, China
| | - Zhong-Hu Li
- Key Laboratory of Resource Biology and Biotechnology in Western China (Ministry of Education) College of Life Sciences, Northwest University, Xi’an, China
| | - Hong-Yan Wang
- College of Agronomy, College of Life Science and Technology, State Key Laboratory of Arid land Crop Science, Gansu Agricultural University, Lanzhou, China
| | - Feng-Xia Guo
- College of Agronomy, College of Life Science and Technology, State Key Laboratory of Arid land Crop Science, Gansu Agricultural University, Lanzhou, China
| | - Yuan Chen
- College of Agronomy, College of Life Science and Technology, State Key Laboratory of Arid land Crop Science, Gansu Agricultural University, Lanzhou, China
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