Ecological impact of salt farming in mangroves on the habitat and food sources of austruca occidentalis and littoraria subvittata

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dc.contributor.authorNehemia, Alex
dc.contributor.authorChen, Margaret
dc.contributor.authorKochzius, Marc
dc.contributor.authorDehairs, Frank
dc.contributor.authorBrion, Natacha
dc.date.accessioned2023-08-03T05:51:31Z
dc.date.available2023-08-03T05:51:31Z
dc.date.issued2019
dc.descriptionJournal Articleen_US
dc.description.abstractThe impact of salt farming on the habitats and food sources of Austruca occidentalis and Littoraria subvittata was studied in mangroves along the coast of Tanzania using stable isotopes ( 13 C and 15 N) and sediment particle size analysis. The 13 C and 15 N stable isotope composition in mangrove leaves, sediments and invertebrate tissues, were used to evaluate whether there are differences in feeding ecology of the crab Austruca occidentalis and the snail Littoraria subvittata collected from natural mangroves and mangroves around the salt ponds. Organic C, total N content and particle size distribution in sediments were used to assess if there are differences in habitat characteristics of mangroves around the salt ponds. Mangrove leaves and sediments were found to be 13 C en- riched around salt ponds compared to those from natural mangroves. Likewise the macroinvertebrates collected from mangroves around salt ponds were found be enriched in 13 C relative to undisturbed mangroves. In addition, mangrove sediments around salt ponds were poorer in organic carbon and nitrogen and had more sand content compared to sediments from natural mangroves. These results indicate that salt pond activities have contributed to the modification of the habitats of macroinvertebrates by causing δ 13 C stable isotopes enrichment and al- teration of sediment characteristics in the ecosystem.en_US
dc.identifier.urihttp://www.suaire.sua.ac.tz/handle/123456789/5520
dc.language.isoenen_US
dc.publisherElservieren_US
dc.subjectIsotope ratiosen_US
dc.subjectMangrove deforestationen_US
dc.subjectSalt productionen_US
dc.subjectWestern Indian Oceanen_US
dc.titleEcological impact of salt farming in mangroves on the habitat and food sources of austruca occidentalis and littoraria subvittataen_US
dc.typeArticleen_US
dc.urlhttps://doi.org/10.1016/j.seares.2019.01.004en_US

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