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Seasonal habitat use by Elephants (Loxodonta africana) in the Mole National Park of Ghana

To avoid unnecessary waste of limited resources and to help prioritize areas for conservation efforts, this study aimed to provide information on habitat use by elephants between the wet and dry seasons in the Mole National Park (MNP) of Ghana. We compiled coordinates of 516 locations of elephants’...

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Autores principales: Ashiagbor, George, Danquah, Emmanuel
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley and Sons Inc. 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5468139/
https://www.ncbi.nlm.nih.gov/pubmed/28616175
http://dx.doi.org/10.1002/ece3.2962
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author Ashiagbor, George
Danquah, Emmanuel
author_facet Ashiagbor, George
Danquah, Emmanuel
author_sort Ashiagbor, George
collection PubMed
description To avoid unnecessary waste of limited resources and to help prioritize areas for conservation efforts, this study aimed to provide information on habitat use by elephants between the wet and dry seasons in the Mole National Park (MNP) of Ghana. We compiled coordinates of 516 locations of elephants’ encounters, 256 for dry season and 260 for wet season. Using nine predictor variables, we modeled the probability of elephant's distribution in MNP. We threshold the models to “suitable” and “nonsuitable” regions of habitat use using the equal training sensitivity and specificity values of 0.177 and 0.181 for the dry and wet seasons, respectively. Accuracy assessment of our models revealed a sensitivity score of 0.909 and 0.974, and a specificity of 0.579 and 0.753 for the dry and wet seasons, respectively. A TSS of 0.488 was also recorded for the dry season and 0.727 for the wet season indicating a good model agreement. Our model predicts habitat use to be confined to the southern portion of MNP due to elevation difference and a relatively steep slope that separates the northern regions of the park from the south. Regions of habitat use for the wet season were 856 km(2) and reduced significantly to 547.68 km(2) in the dry season. We observed significant overlap (327.24 km(2)) in habitat use regions between the wet and dry seasons (Schoener's D = 0.922 and Hellinger's‐based I = 0.991). DEM, proximity to waterholes, and saltlicks were identified as the key variables that contributed to the prediction. We recommend construction of temporal camps in regions of habitat use that are far from the headquarters area for effective management of elephants. Also, an increase in water point's density around the headquarters areas and selected dry areas of the park will further decrease elephant's range and hence a relatively less resource use in monitoring and patrols.
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spelling pubmed-54681392017-06-14 Seasonal habitat use by Elephants (Loxodonta africana) in the Mole National Park of Ghana Ashiagbor, George Danquah, Emmanuel Ecol Evol Original Research To avoid unnecessary waste of limited resources and to help prioritize areas for conservation efforts, this study aimed to provide information on habitat use by elephants between the wet and dry seasons in the Mole National Park (MNP) of Ghana. We compiled coordinates of 516 locations of elephants’ encounters, 256 for dry season and 260 for wet season. Using nine predictor variables, we modeled the probability of elephant's distribution in MNP. We threshold the models to “suitable” and “nonsuitable” regions of habitat use using the equal training sensitivity and specificity values of 0.177 and 0.181 for the dry and wet seasons, respectively. Accuracy assessment of our models revealed a sensitivity score of 0.909 and 0.974, and a specificity of 0.579 and 0.753 for the dry and wet seasons, respectively. A TSS of 0.488 was also recorded for the dry season and 0.727 for the wet season indicating a good model agreement. Our model predicts habitat use to be confined to the southern portion of MNP due to elevation difference and a relatively steep slope that separates the northern regions of the park from the south. Regions of habitat use for the wet season were 856 km(2) and reduced significantly to 547.68 km(2) in the dry season. We observed significant overlap (327.24 km(2)) in habitat use regions between the wet and dry seasons (Schoener's D = 0.922 and Hellinger's‐based I = 0.991). DEM, proximity to waterholes, and saltlicks were identified as the key variables that contributed to the prediction. We recommend construction of temporal camps in regions of habitat use that are far from the headquarters area for effective management of elephants. Also, an increase in water point's density around the headquarters areas and selected dry areas of the park will further decrease elephant's range and hence a relatively less resource use in monitoring and patrols. John Wiley and Sons Inc. 2017-04-18 /pmc/articles/PMC5468139/ /pubmed/28616175 http://dx.doi.org/10.1002/ece3.2962 Text en © 2017 The Authors. Ecology and Evolution published by John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution (http://creativecommons.org/licenses/by/4.0/) License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
spellingShingle Original Research
Ashiagbor, George
Danquah, Emmanuel
Seasonal habitat use by Elephants (Loxodonta africana) in the Mole National Park of Ghana
title Seasonal habitat use by Elephants (Loxodonta africana) in the Mole National Park of Ghana
title_full Seasonal habitat use by Elephants (Loxodonta africana) in the Mole National Park of Ghana
title_fullStr Seasonal habitat use by Elephants (Loxodonta africana) in the Mole National Park of Ghana
title_full_unstemmed Seasonal habitat use by Elephants (Loxodonta africana) in the Mole National Park of Ghana
title_short Seasonal habitat use by Elephants (Loxodonta africana) in the Mole National Park of Ghana
title_sort seasonal habitat use by elephants (loxodonta africana) in the mole national park of ghana
topic Original Research
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5468139/
https://www.ncbi.nlm.nih.gov/pubmed/28616175
http://dx.doi.org/10.1002/ece3.2962
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