منابع مشابه
Aquatic Conservation: Marine and Freshwater Ecosystems
1. The spatial distribution of the most important subtidal habitats (coral reefs, coral carpets, seagrass meadows, sand with corals, macroids, mud, hardgrounds) and mangroves was mapped in northern Safaga Bay, Red Sea, Egypt. Coral communities were analysed separately for their ecological and spatial patterns. This, coupled with information about major current patterns in the bay, provides a fr...
متن کاملAquatic Conservation: Marine and Freshwater Ecosystems
1. The natural hydropattern in the seasonally-flooded marl prairie wetlands of Everglades National Park has been severely disrupted by human water control activities, seriously impacting higher trophic organisms, e.g. wading birds, that depend on these wetlands. Less is known about the impacis on key aquatic fauna, such as crayfish Procambarus alleni, or how these populations might respond to p...
متن کاملAquatic Conservation: Marine and Freshwater Ecosystems
1. An index of riparian quality useful for the management of streams and rivers is presented. The purpose of the index is to provide managers with a simple method to evaluate riparian habitat quality. The index is easy to calculate and can be used together with any other index of water quality to assess the ecological status of streams and rivers. It may also be a useful tool for defining ‘high...
متن کاملAquatic Conservation: Marine and Freshwater Ecosystems
1. Fishing is one of the most widespread anthropogenic impacts on marine ecosystems. In recent times, the development of measurable metrics of the resultant ecosystem effects has become an important aspect of fisheries management. Ecosystem models are often advocated as tools for the evaluation of system effects, but the extent to which models are able to make meaningful predictions has not yet...
متن کاملAquatic Conservation: Marine and Freshwater Ecosystems
1. California is a tectonically active region with a Mediterranean climate, resulting in extreme spatial and temporal variability in river channel conditions. Restoration approaches that work in one part of the state may not succeed elsewhere. 2. Restoration projects should be planned and designed based on an understanding of geomorphological and ecological processes, rather than simply mimicry...
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ژورنال
عنوان ژورنال: Conservation Biology
سال: 1996
ISSN: 0888-8892,1523-1739
DOI: 10.1046/j.1523-1739.1996.10061563-3.x