By Ivan Nagelkerken (auth.), Ivan Nagelkerken (eds.)
Mangrove forests, seagrass beds, and coral reefs are circumtropical ecosystems which are hugely effective, and supply many very important organic capabilities and fiscal prone. those ecosystems hide huge floor parts within the shallow tropical coastal seascape yet have suffered from severe human degradation, specifically within the previous couple of many years. a part of their range, productiveness, and functioning seems in line with their juxtaposition. specially within the final decade major advances were made on new insights into their ecological connectivity. This authoritative publication offers a first-time finished assessment of the most important ecological interactions throughout tropical marine ecosystems that end result from the mutual alternate of nutrition, natural subject, fish, and crustaceans. a gaggle of major authors from world wide studies the styles and underlying mechanisms of significant biogeochemical and organic linkages between tropical coastal ecosystems in 15 chapters. integrated are chapters that evaluation state of the art instruments to check and quantify those linkages, the significance of such linkages for fisheries, and the way tropical ecosystems might be conserved and controlled for sustainable use via destiny generations. The booklet makes use of examples from world wide and gives an updated assessment of the newest released literature. This e-book is a ‘must learn’ for pros engaged on the conservation, administration, and ecology of mangrove, seagrass and coral reef ecosystems.
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Extra info for Ecological Connectivity Among Tropical Coastal Ecosystems
The most common impact of eutrophication on seagrass habitats is the rapid growth of primary producers such as epiphytes, macroalgae, and phytoplankton that can outcompete seagrasses for substrate, light, and nutrients. Overgrowth, reduced light levels, and limited nutrient availability can yield negative impacts that range from reduced 2 Nitrogen and Phosphorus Exchange Among Tropical Coastal Ecosystems 33 growth to massive die-offs (reviewed by Burkholder et al. 2007). Moreover, rapid increases in the biomass of seagrass competitors can result in anoxic conditions and promote increased sulfide concentration in the sediments, which can further influence seagrass metabolism, growth, and survivorship (Calleja et al.
Estuar Coast Shelf Sci 23:607–619 Bianchi TS (2007) Biogeochemistry of estuaries. Oxford University Press, Oxford Bird KT, Johnson JR, Jewett-Smith J (1998) In vitro culture of the seagrass Halophila decipiens. Aquat Bot 60:377–387 Boto KG, Bunt JS (1981) Tidal export of particulate organic matter from a northern Australian mangrove forest. Estuar Coast Shelf Sci 13:247–255 Boto KG (1982) Nutrient and organic fluxes in mangroves. In: Clough BF (ed) Mangrove ecosystems in Australia: structure, function and management.
2002) and among clonal ramets (Marb`a et al. 2002) to sustain growth of new tissue. The relative uptake of N and P through the leaves and rhizomes can vary significantly among species and habitats. While the higher concentration of nutrients within pore water pools would suggest a benefit for nutrient uptake through belowground structures, leaf uptake of water column nutrients can still supply a considerable proportion of seagrass N (reviewed by Romero et al. 2006). In fact, several experimental studies have documented the high nutrient uptake capacity of leaf tissue, especially at low nutrient concentrations.