Wolfgang J. Junk, Maria T. F. Piedade, Florian Wittmann,'s Amazonian Floodplain Forests: Ecophysiology, Biodiversity PDF

By Wolfgang J. Junk, Maria T. F. Piedade, Florian Wittmann, Jochen Schöngart, Pia Parolin

ISBN-10: 9048187249

ISBN-13: 9789048187249

ISBN-10: 9048187257

ISBN-13: 9789048187256

Central Amazonian floodplain forests are an designated and endangered environment. The forests develop in parts which are every year flooded by means of huge rivers in the course of suggest sessions of as much as eight months and at depths of as much as 10 m. regardless of this critical rigidity, those forests include over 1,000 species and are by means of a ways the main species-rich floodplain forests around the world. The bushes exhibit a vast variety of morphological, anatomical, physiological, and phenological diversifications that let them not just to outlive the antagonistic environmental stipulations, but in addition to provide quite a lot of biomass while the nutrient degrees in water and soils are sufficiently excessive. this is often the case within the floodplains of white-water rivers, that are used for fisheries, agriculture, and cattle-ranching yet which actually have a excessive capability for the creation of bushes and non-timber items, whilst accurately controlled. most up-to-date examine on ecophysiology provides perception how tree species adapt to the oscillating flood-pulse targeting their photosynthesis, breathing, sap circulate, biochemistry, phenology, wooden and depart anatomy, root morphology and functioning, fruit chemistry, seed germination, seedling institution, nitrogen fixation and genetic variability. in keeping with tree a while, lifetime progress charges and web basic creation, new strategies are constructed to enhance the sustainability of conventional wooded area managements within the heritage of an built-in typical source administration. this can be the 1st integrative e-book at the functioning and ecologically orientated use of floodplain forests within the tropics and sub-tropics.It presents primary wisdom for scientist, scholars, foresters and different execs on their distribution, evolution and phytogeography. “This e-book is a superb testimony to the interdisciplinary collaboration of a bunch of very devoted scientists to resolve the functioning of the Amazonian Floodplain forests. they've got introduced jointly a hugely invaluable contribution at the distribution, ecology, fundamental creation, ecophysiology, typology, biodiversity, and human use of those forests providing thoughts for sustainable administration and destiny initiatives in technological know-how and improvement of those precise wetland ecosystems. It lays a high-quality clinical beginning for wetland ecologists, foresters, environmentalists, wetland managers, and all these attracted to sustainable administration within the tropics and subtropics.” Brij Gopal, government vice chairman foreign Society for Limnology (SIL).

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Extra info for Amazonian Floodplain Forests: Ecophysiology, Biodiversity and Sustainable Management

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The following discussion is based on our studies of Ria lakes in central Amazonia (Keim et al. 1999; Behling et al. 2001) and in the Tapajós River (Irion et al. 2006). It focuses on the results obtained from a sediment core recovered from “Lake Tapajós” (Irion et al. 2006). 5¢W¢, 60 km south of the river mouth at Santarém (Irion et al. 2006). The initial expectation was to recover lake sediments deposited 14,000 years ago. 5’W (Irion et al. 2006). d13C measurements showed that no or only small amounts of organic compounds are representative of C4 plants, indicating that forest has always been the dominant vegetation in the drainage area of the Tapajós.

These vigorously growing grasses occupy a position on the flooding gradient that can also be occupied by trees. They suppress, often for many years, sapling establishment by intense competition for light. Flood-resistant shrubs 1 An Introduction to South American Wetland Forests 21 Fig. 4 Distribution of major terrestrial plant communities on the flood-level gradient of the Amazon River floodplain near Manaus. The data are based on the 80-year average maximum and minimum numbers of consecutive dry and flood days (hydrological data from Manaus harbor).

2010). 8 Determination of Flooding Tolerance in the Field The efficiency of a given strategy – or a combination of strategies – against flooding or water-logging of the soil defines the flooding tolerance of a species or its ecotypes. Adaptations in the growth cycle and reproductive strategies determine whether a species can establish viable populations in wetlands and which position it occupies along the flooding gradient in a river floodplain. , on tree species diversity in river floodplains, very difficult.

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Amazonian Floodplain Forests: Ecophysiology, Biodiversity and Sustainable Management by Wolfgang J. Junk, Maria T. F. Piedade, Florian Wittmann, Jochen Schöngart, Pia Parolin

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