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This study used pot microcosms to investigate the influence of returning different amounts of corn straw on soil nematode communities in winter wheat with five treatments: no corn straw (CS-1), 3000 kg/hm 2 (CS-2), 6000 kg/hm 2 (CS-3), 9000 kg/hm 2 (CS-4), and 12,000 kg/hm 2 of added corn straw (CS-5). The microcosms were sampled at winter wheat jointing stage, booting...
Based on the data collected from the bottom trawl surveys in Haizhou Bay and adjacent waters in March and May 2011, the community structure and its relationships with environmental factors for the shrimp assemblage in spring were examined using relative importance indices, ecological diversity indices and multivariate statistical analysis. A total of 21 shrimp species were captured, belonging to 8...
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