نتایج جستجو برای: sandy beach
تعداد نتایج: 18530 فیلتر نتایج به سال:
Despite the global occurrence of microplastic contamination on sandy beaches, evidence distribution within beaches remains contradictory. When conflicting is used to inform sampling surveys, it increases uncertainty in resulting data. Moreover, hampers spatially explicit risk characterization pollution intertidal fauna. We aimed guide designs for monitoring and quantify macroinfauna exposure mi...
We investigated if the differences in density and nematode communities of intertidal sediments from two Brazilian sheltered sandy beaches were related to environmental characteristics. The upper tide level (UTL) and the low tide level (LTL) of both beaches were surveyed in January (austral summer) and June 2001 (austral winter) during low-spring tides, by collecting samples of nematodes and sed...
Tropical cyclones (TCs) play important roles in the evolution of beaches. The response beaches to a single tropical cyclone (TC) has been well reported, however, few studies have compared responses same beach TCs with different characteristics. Taking Haiyang Beach northern China Seas as case study, profiles before and after two TCs, Lekima Bavi, which passed through west east sides study area,...
Food webs near the interface of adjacent ecosystems are potentially subsidised by the flux of organic matter across system boundaries. Such subsidies, including carrion of marine provenance, are predicted to be instrumental on open-coast sandy shores where in situ productivity is low and boundaries are long and highly permeable to imports from the sea. We tested the effect of carrion supply on ...
To understand how organisms adapt to novel habitats, which involves both demographic and selective events, we require knowledge of the evolutionary history of populations and also selected alleles. There are still few cases in which the precise mutations (and hence, defined alleles) that contribute to adaptive change have been identified in nature; one exception is the genetic basis of camoufla...
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