Maria L. M. Vieira, João V. Nunes Souza, João L. L. Feitosa, José E. De Assis, José R. B. Souza
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引用次数: 0
Abstract
Context
Seagrass meadows are highly productive habitats with a vast species diversity that perform multiple ecosystem services. The fauna associated with these environments is responsible for many of the ecosystem services. Therefore, the fauna composition and functional characteristics should be considered in studies addressing seagrass meadows.
Aims
This study aimed to evaluate the differences in the taxonomic and functional compositions of the macrofauna associated with Halodule wrightii (Ascherson) meadows subject to different settings of habitat characteristics in the shallow coastal regions of the north-eastern coast of Brazil.
Methods
We used the Hill diversity series to estimate taxonomic diversity, whereas functional diversity was estimated through biological-trait analyses.
Key results
Distinct patterns of taxonomic and functional diversities were observed among meadows. However, the composition of functional traits diverged more. Lower taxonomic and functional diversity were observed in the Suape meadows, with values mainly related to the low organic matter content. Catuama meadows presented opposite results, associated with higher organic matter and plant density.
Conclusions
The meadow heterogeneity can influence the associated macrofauna and its functional characteristics.
Implications
These results are highly relevant for predicting the consequences of changes in seagrass meadows and how this affects the functioning of these ecosystems.
期刊介绍：
Marine and Freshwater Research is an international and interdisciplinary journal publishing contributions on all aquatic environments. The journal’s content addresses broad conceptual questions and investigations about the ecology and management of aquatic environments. Environments range from groundwaters, wetlands and streams to estuaries, rocky shores, reefs and the open ocean. Subject areas include, but are not limited to: aquatic ecosystem processes, such as nutrient cycling; biology; ecology; biogeochemistry; biogeography and phylogeography; hydrology; limnology; oceanography; toxicology; conservation and management; and ecosystem services. Contributions that are interdisciplinary and of wide interest and consider the social-ecological and institutional issues associated with managing marine and freshwater ecosystems are welcomed.
Marine and Freshwater Research is a valuable resource for researchers in industry and academia, resource managers, environmental consultants, students and amateurs who are interested in any aspect of the aquatic sciences.
Marine and Freshwater Research is published with the endorsement of the Commonwealth Scientific and Industrial Research Organisation (CSIRO) and the Australian Academy of Science.
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