Cargando…
Persistence of avian carcasses on sandy beaches and marsh edges in the northern Gulf of Mexico
As part of the natural resource damage assessment for the Deepwater Horizon oil spill, a mathematical model was used to estimate the total number of bird carcasses deposited on shorelines based on the number of carcasses collected and adjustment factors such as detection probability and carcass pers...
Autores principales: | , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Springer International Publishing
2020
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7078173/ https://www.ncbi.nlm.nih.gov/pubmed/32185585 http://dx.doi.org/10.1007/s10661-019-7920-3 |
_version_ | 1783507561758064640 |
---|---|
author | Varela, Veronica W. Zimmerman, Guthrie S. |
author_facet | Varela, Veronica W. Zimmerman, Guthrie S. |
author_sort | Varela, Veronica W. |
collection | PubMed |
description | As part of the natural resource damage assessment for the Deepwater Horizon oil spill, a mathematical model was used to estimate the total number of bird carcasses deposited on shorelines based on the number of carcasses collected and adjustment factors such as detection probability and carcass persistence. Studies of carcass persistence occurred along sandy beaches and marsh edges in the northern Gulf of Mexico to obtain site-specific inputs for the model. We estimated persistence rates for these habitat types and evaluated the influence on persistence of carcass size, location of the carcass on the beach, dominant vegetation type in the marsh, carcass distance into marsh vegetation, and length of time a carcass was stranded on a shoreline. The length of time stranded had the greatest influence on persistence in both habitat types, with persistence initially relatively low and increasing logarithmically. Carcass size and position were weakly influential on sandy beaches. Carcass size had stronger influences along marsh edges, and marsh habitat type also affected persistence. We found evidence of a positive relationship between distance into the marsh and persistence during the first 24 h after carcass deployment. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (10.1007/s10661-019-7920-3) contains supplementary material, which is available to authorized users. |
format | Online Article Text |
id | pubmed-7078173 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2020 |
publisher | Springer International Publishing |
record_format | MEDLINE/PubMed |
spelling | pubmed-70781732020-03-23 Persistence of avian carcasses on sandy beaches and marsh edges in the northern Gulf of Mexico Varela, Veronica W. Zimmerman, Guthrie S. Environ Monit Assess Article As part of the natural resource damage assessment for the Deepwater Horizon oil spill, a mathematical model was used to estimate the total number of bird carcasses deposited on shorelines based on the number of carcasses collected and adjustment factors such as detection probability and carcass persistence. Studies of carcass persistence occurred along sandy beaches and marsh edges in the northern Gulf of Mexico to obtain site-specific inputs for the model. We estimated persistence rates for these habitat types and evaluated the influence on persistence of carcass size, location of the carcass on the beach, dominant vegetation type in the marsh, carcass distance into marsh vegetation, and length of time a carcass was stranded on a shoreline. The length of time stranded had the greatest influence on persistence in both habitat types, with persistence initially relatively low and increasing logarithmically. Carcass size and position were weakly influential on sandy beaches. Carcass size had stronger influences along marsh edges, and marsh habitat type also affected persistence. We found evidence of a positive relationship between distance into the marsh and persistence during the first 24 h after carcass deployment. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (10.1007/s10661-019-7920-3) contains supplementary material, which is available to authorized users. Springer International Publishing 2020-03-17 2019 /pmc/articles/PMC7078173/ /pubmed/32185585 http://dx.doi.org/10.1007/s10661-019-7920-3 Text en © The Author(s) 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. |
spellingShingle | Article Varela, Veronica W. Zimmerman, Guthrie S. Persistence of avian carcasses on sandy beaches and marsh edges in the northern Gulf of Mexico |
title | Persistence of avian carcasses on sandy beaches and marsh edges in the northern Gulf of Mexico |
title_full | Persistence of avian carcasses on sandy beaches and marsh edges in the northern Gulf of Mexico |
title_fullStr | Persistence of avian carcasses on sandy beaches and marsh edges in the northern Gulf of Mexico |
title_full_unstemmed | Persistence of avian carcasses on sandy beaches and marsh edges in the northern Gulf of Mexico |
title_short | Persistence of avian carcasses on sandy beaches and marsh edges in the northern Gulf of Mexico |
title_sort | persistence of avian carcasses on sandy beaches and marsh edges in the northern gulf of mexico |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7078173/ https://www.ncbi.nlm.nih.gov/pubmed/32185585 http://dx.doi.org/10.1007/s10661-019-7920-3 |
work_keys_str_mv | AT varelaveronicaw persistenceofaviancarcassesonsandybeachesandmarshedgesinthenortherngulfofmexico AT zimmermanguthries persistenceofaviancarcassesonsandybeachesandmarshedgesinthenortherngulfofmexico |