Abuchahla, Guilherme and Zimmer, Martin (2019) Come Rain or Come Shine, Come Crane or Come Swine. [Poster] In: MMM5. , 01.07.-05.07.2019, Singapore .

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Abstract

Mangroves dwell between the terrestrial and marine realms. Much has been studied on their connectivity to other coastal or marine ecosystems, such as coral reefs and seagrass meadows. The interface between mangroves and terrestrial ecosystems, by contrast, is still widely understudied, possibly being one of the reasons for mismanagement and ill compartmentalization of the coastal sea- and landscapes. The present research aims to enhance the understanding of how mangroves and terrestrial ecosystems relate to, and interact with, each other, taking into consideration regions on both sides of the Atlantic where the dry season is long and hot. We hypothesise that (1) runoff water plays an important role in the transport of nutrients and organic matter during rainy season, resulting in a uni-directional flow from land towards the sea; and (2) the motile megafauna supplant that role in the dry season, potentially driving bi-directional fluxes. For testing the above-mentioned hypotheses, samples of surface sediment, runoff and porewater, leaves of the main vegetation species, and faeces of the motile megafauna will be collected along nine transects, six in Brazil and three in Senegal. Analyses will take into account nutrients, the content, structure and origin of organic matter, environmental DNA, and sediment grain characteristics. We expect to find a gradient of influence (mangrove - salt flat - terrestrial forest), according to the above hypotheses, indicating that the path for a better ecological understanding of mangrove ecosystems includes their terrestrial-most margins.

Document Type: Conference or Workshop Item (Poster)
Research affiliation: Ecology > Mangrove Ecology
Date Deposited: 21 Oct 2019 10:24
Last Modified: 01 Oct 2020 12:59
URI: http://cris.leibniz-zmt.de/id/eprint/2777

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