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Aravind, N. A.
- Conservation of Cremnoconchus Blanford 1869, an Iconic Freshwater Gastropod Genus from the Western Ghats, India
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PDF Views:93
Authors
Affiliations
1 Ashoka Trust for Research in Ecology and the Environment, Royal Enclave, Srirampura, Jakkur Post, Bengaluru 560 064, IN
1 Ashoka Trust for Research in Ecology and the Environment, Royal Enclave, Srirampura, Jakkur Post, Bengaluru 560 064, IN
Source
Current Science, Vol 111, No 6 (2016), Pagination: 1097-1103Abstract
Freshwater ecosystems in the Western Ghats are fragile and highly susceptible to environmental disturbances. The freshwater biota is particularly vulnerable because even the slightest change in habitat can lead to extinction. Freshwater gastropods are an important and diverse group in the freshwater ecosystem, accounting for about 20% of all metazoan animal recorded extinctions. The Western Ghats in India harbours an endemic genus of freshwater mollusc, Cremnoconchus. To date, 12 species of Cremnoconchus are known, and they are recorded only from the spray zones of waterfalls in the Western Ghats biodiversity hotspot. They are point endemic and confined to the western escarpments of the Ghats between 300 m to 1400 m asl. Only three species have been assessed for the IUCN Red List of Threatened Species. Given the limited distribution and vulnerability to environmental changes of all known Cremnoconchus species, we assess their conservation status using standard 'Red List' criteria and recommend conservation measures.Keywords
Critically Endangered, Endemic Radiation, Mollusc, Red List, Waterfalls.- Recovery of Critically Endangered Plant Species in India:Need for a Comprehensive Approach
Abstract Views :294 |
PDF Views:108
Authors
Affiliations
1 Ashoka Trust for Research in Ecology and the Environment, Royal Enclave, Srirampura, Jakkur Post, Bengaluru 560 064, IN
2 College of Forestry, University of Agricultural Sciences, Sirsi 581 401, IN
1 Ashoka Trust for Research in Ecology and the Environment, Royal Enclave, Srirampura, Jakkur Post, Bengaluru 560 064, IN
2 College of Forestry, University of Agricultural Sciences, Sirsi 581 401, IN
Source
Current Science, Vol 114, No 03 (2018), Pagination: 504-511Abstract
There has been a growing concern about the increasing number of species that are globally threatened. Developmental projects, and increased dependence on forests both for sustenance and livelihood have rendered many species threatened. In the Indian context, more than 150 species are critically endangered and require immediate intervention to sustain their populations. A number of plant species are destructively extracted solely from the forests. Apart from anthropogenic threats, several species are threatened due to invasive species and climate change. In the light of increasing and continued threats, species recovery is the only viable option for restoring many of them from extinction. Here, we review the existing recovery programmes in the country and suggest a comprehensive approach in the conservation and recovery of many of the critically endangered species. We highlight issues that need to be addressed and discuss strategies for recovering the critically endangered species in the country.Keywords
Endangered Plants, Ecological Interactions, Genetic Enrichment, Niche Modelling, Species Recovery.References
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- Ismail, S. A., Ghazoul, J., Ravikanth, G., Kushalappa, C. G., Uma Shaanker, R. and Kettle, C. J., Forest trees in human modified landscapes: ecological and genetic drivers of recruitment failure in Dysoxylum malabaricum (Meliaceae). PLOS ONE, 2014, 9(2), e89437; doi:10.1371/journal.pone.0089437.
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- Thriveni, H. N., Srikanth Gunaga, H. N., Ramesh Babu and Vasudeva, R., Ecological niche modeling, population status and regeneration of Coscinium fenestratum Colebr. (Menispermaceae): a medicinally important liana of the central Western Ghats. Trop. Ecol., 2015, 56(1), 101–110.
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- Sen, S., Gode, A., Ramanujam, S., Ravikanth, G. and Aravind, N. A., Modeling the impact of climate change on wild Piper nigrum (Black Pepper) in Western Ghats, India using ecological niche models. J. Plant Sci., 2016; doi:10.1007/s10265-016-0859-3.
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- Reconciling Biodiversity Conservation with Agricultural Intensification: Challenges and Opportunities for India
Abstract Views :303 |
PDF Views:84
Authors
Vikram Aditya
1,
P. S. Sumashini
1,
N. A. Aravind
1,
G. Ravikanth
1,
Chandrashekara Krishnappa
2,
R. Uma Shaanker
2
Affiliations
1 Ashoka Trust for Research in Ecology and the Environment, Royal Enclave, Sriramapura, Jakkur Post, Bengaluru 560 064, IN
2 School of Ecology and Conservation, University of Agricultural Sciences, GKVK, Bengaluru 560 065, IN
1 Ashoka Trust for Research in Ecology and the Environment, Royal Enclave, Sriramapura, Jakkur Post, Bengaluru 560 064, IN
2 School of Ecology and Conservation, University of Agricultural Sciences, GKVK, Bengaluru 560 065, IN
Source
Current Science, Vol 118, No 12 (2020), Pagination: 1870-1873Abstract
India will surpass China as the world’s most populous country by 2050, with a projected population of 1.67 billion1. Al-though the rate of population growth has decreased, the total fertility rate of 2.2 will keep India’s population growing for decades2. The challenges posed by such increase in population to India’s food security, already under strain from land and resource scarcity, are enormous. Climate change and extreme weather events are already impacting agricultural production, disproportionately affecting vulnerable sections of society through higher food prices, lost livelihood opportunities, adverse health impacts and displacement.References
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- Reconciling Biodiversity Conservation with Agricultural Intensification
Abstract Views :252 |
PDF Views:82
Authors
Affiliations
1 Ashoka Trust for Research in Ecology and the Environment, Royal Enclave, Srirampura, Jakkur PO, Bengaluru 560 064, IN
1 Ashoka Trust for Research in Ecology and the Environment, Royal Enclave, Srirampura, Jakkur PO, Bengaluru 560 064, IN
Source
Current Science, Vol 119, No 1 (2020), Pagination: 14-14Abstract
No Abstract.- Laevicaulis haroldi (Veronicellidae: Gastropoda), A Potential Future Invaderto India
Abstract Views :188 |
PDF Views:85
Authors
Affiliations
1 Ashoka Trust for Research in Ecology and the Environment (ATREE), Royal Enclave, Srirampura, Jakkur, Bengaluru 560 064, IN
1 Ashoka Trust for Research in Ecology and the Environment (ATREE), Royal Enclave, Srirampura, Jakkur, Bengaluru 560 064, IN
Source
Current Science, Vol 120, No 11 (2021), Pagination: 1781-1785Abstract
Invasive alien species are considered one of the greatest threats to biodiversity, ecosystem services, economy and human health. Global climate change will only exacerbate the impact of several invasive species in the introduced range. Hence the control and management of invasive species is crucial. Spatial tools such as GIS/RS and ecological niche models can help understand the potential region where the species might invade and predict invasive spread under different climate change scenarios. This study explores if the newly introduced slug from South Africa, Laevicaulis haroldi (Purcell’s hunter slug or caterpillar slug) will become invasive in India under current as well as future climate scenarios. Our result suggests that most parts of western and Peninsular India are vulnerable to the invasion, and suitable regions will only increase under both climate change scenarios. It calls for the early detection and management of this potential invader to India.Keywords
Climate Change Scenarios, Economic Loss, Invasive Alien Species, Laevicaulis haroldi, Niche Modelling.References
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Abstract Views :153 |
PDF Views:78
Authors
Affiliations
1 Ashoka Trust for Research in Ecology and the Environment, Royal Enclave, Srirampura, Jakkur PO, Bengaluru 560 064, India; Yenepoya Research Centre, Yenepoya (Deemed-to-be) University, Derlakatte, Mangaluru 575 018, India, IN
2 Centre for Advanced Learning, Kottara Cross, Bejai, Mangaluru 575 004, India, IN
3 Srishti Manipal Institute of Art, Design and Technology, Yelahanka, Bengaluru 560 064, India, IN
4 Centre for Ecological Sciences, Indian Institute of Science, Bengaluru 560 012, India, IN
1 Ashoka Trust for Research in Ecology and the Environment, Royal Enclave, Srirampura, Jakkur PO, Bengaluru 560 064, India; Yenepoya Research Centre, Yenepoya (Deemed-to-be) University, Derlakatte, Mangaluru 575 018, India, IN
2 Centre for Advanced Learning, Kottara Cross, Bejai, Mangaluru 575 004, India, IN
3 Srishti Manipal Institute of Art, Design and Technology, Yelahanka, Bengaluru 560 064, India, IN
4 Centre for Ecological Sciences, Indian Institute of Science, Bengaluru 560 012, India, IN
Source
Current Science, Vol 123, No 10 (2022), Pagination: 1193-1194Abstract
No Abstract.References
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- Predicting Potential Distribution, Range Change and Niche Dynamics for Saraca asoca (Roxb.) De Wilde: A Threatened Medicinal Plant under Climatic Change
Abstract Views :55 |
PDF Views:35
Authors
Monalisa Jena
1,
Manas Ranjan Mohanta
1,
Bipin Charles
2,
N. A. Aravind
2,
G. Ravikanth
2,
Sudam Charan Sahu
1
Affiliations
1 Department of Botany, Maharaja Sriram Chandra Bhanja Deo University, Baripada 757 003, IN
2 Ashoka Trust for Research in Ecology and the Environment, Royal Enclave, Srirampura, Jakkur, Bengaluru 560 064, IN
1 Department of Botany, Maharaja Sriram Chandra Bhanja Deo University, Baripada 757 003, IN
2 Ashoka Trust for Research in Ecology and the Environment, Royal Enclave, Srirampura, Jakkur, Bengaluru 560 064, IN
Source
Current Science, Vol 125, No 9 (2023), Pagination: 989-998Abstract
In the Anthropocene era, understanding the impact of climate change on niche shift, species distribution, and habitat change is increasingly important for the conservation of biodiversity. In this respect, species distribution models have been considered an important tool over the last decade. The present study illustrates distributional change, niche dynamics and climatic shifts of Saraca asoca (Roxb.) De Wilde in India, a proven medicinal plant and a listed threatened species by IUCN, under different climate change scenarios using MaxEnt. The robustness of the model was satisfactory (AUC = 0.936), indicating a good fit. There could be a significant gain in suitable habitat between the present and future scenarios, ranging from a minimum of 52,275.17 km2 (RCP 2.6) to a maximum of 95,994.62 km2 (RCP 4.5). In the future, the suitable habitat range would shift towards colder regions of India, where cultivation of S. asoca could be taken up, thus enabling effective management of the natural habitat and population of the species. This study will help understand the effects of climate change on S. asoca and its implications for conservation of the species.Keywords
Climate Change, Distributional Changes, Ecological Niche Models, Niche Overlap, Saraca asoca.References
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