A comparison of the macrofauna of natural and replanted mangroves in Qatar
1999
Al-Khayat, J. A. | Jones, D. A.
The present investigation quantifies the biodiversity of the Brachyura and fish living within the natural mangrove Avicennia marina, salt marsh find replanted mangal, and compares relevant features of the abiotic and biotic environments of these habitats. Measurements of sediment organic matter, grain size, soil water pH and the moisture content indicate that the natural mangrove areas have lowest mean grain size, pH, and highest organic and moisture contents. Planted mangrove areas have a higher mean grain size and slightly higher pH, but lower organic and moisture contents. Differences occur between brachyurans in-planted and natural mangrove areas, but the biodiversity was similar between salt marsh and natural mangrove areas. Nasima dotilliformis was the only crab which did not occur at all planted mangrove sites, while Serenella leachii was missing from natural mangrove. Juvenile fish species enter mangroves, using these as nursery grounds, and quantitative sampling indicates that mangrove areas, especially pneumatophores, form a special habitat for these small fish.
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Эту запись предоставил Qatar University