Dynamic shoreline alterations and their impacts on Olive Ridley Turtle (Lepidochelys olivacea) nesting sites in Gahirmatha Marine Wildlife Sanctuary, Odisha (India)

Currently, sea turtle habitats are being altered by climate change and human activities, with habitat loss posing an urgent threat to Indian sea turtles. Thus, the objective of this study is to analyze the dynamic shoreline alterations and their impacts on Olive Ridley Sea Turtle (ORT) nesting sites...

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Vydáno v:Marine pollution bulletin Ročník 202; s. 116321
Hlavní autoři: Mishra, Manoranjan, Pati, Saswati, Paul, Suman, Gonçalves, Rodrigo Mikosz, Acharyya, Tamoghna, Tripathy, Basudev, Silva, Richarde Marques da, Guria, Rajkumar, Santos, Celso Augusto Guimarães
Médium: Journal Article
Jazyk:angličtina
Vydáno: England Elsevier Ltd 01.05.2024
Témata:
Animals
Arribada phenomenon
Biodiversity preservation
Climate Change
computer software
conservation areas
Conservation of Natural Resources
data collection
Ecosystem
Environmental Monitoring
Erosional impacts
Geographical habitat transition
habitat destruction
humans
India
Landsat
Lepidochelys olivacea
marine pollution
Marine sanctuary extension
Nesting Behavior
sea turtles
shorelines
Turtle nesting behavior
Turtles - physiology
India
Arribada phenomenon
Geographical habitat transition
Erosional impacts
Marine sanctuary extension
Biodiversity preservation
Turtle nesting behavior
ISSN:0025-326X, 1879-3363, 1879-3363
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Shrnutí:Currently, sea turtle habitats are being altered by climate change and human activities, with habitat loss posing an urgent threat to Indian sea turtles. Thus, the objective of this study is to analyze the dynamic shoreline alterations and their impacts on Olive Ridley Sea Turtle (ORT) nesting sites in Gahirmatha Marine Wildlife Sanctuary from 1990 to 2022. Landsat satellite images served as input datasets to assess dynamic shoreline changes. This study assessed shoreline alterations and their rates across 929 transects divided into four zones using the Digital Shoreline Analysis System (DSAS) software. The results revealed a significant 14-km northward shift in the nesting site due to substantial coastal erosion, threatening the turtles' Arribada. This study underscores the need for conservation efforts to preserve nesting environments amidst changing coastal landscapes, offering novel insights into the interaction between coastal processes and marine turtle nesting behaviors. [Display omitted] •Coastal dynamics impact nesting sites in Gahirmatha.•Shoreline alterations threaten crucial nesting habitat.•Gahirmatha confronts challenges in sustaining Olive Ridley populations.•Understanding shoreline dynamics is crucial for effective turtle conservation.
Bibliografie:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:0025-326X
1879-3363
1879-3363
DOI:10.1016/j.marpolbul.2024.116321