Community Ecology of Soil Fauna Under Periodically Flooded Forest and Anthropic Fields

IF 0.5 Q4 FORESTRY Floresta e Ambiente Pub Date : 2021-01-01 DOI:10.1590/2179-8087-FLORAM-2020-0052

Raíssa Nascimento dos Santos, Wilbert Valkinir Cabreira, M. G. Pereira, Rodrigo Camara de Souza, Sandra Santana de Lima, Marco Aurelio Passos Louzada, Gilsonley Lopes dos Santos, Ana Caroline Rodrigues da Silva

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引用次数: 2

Abstract

The study evaluated the ecology of soil invertebrate faunal communities in periodically flooded forest (CF) fragments and anthropic fields (AF) in the Atlantic Forest. The sampling occurred in the rainy and dry seasons using pitfall traps. We estimated the total activity, richness, diversity, and evenness as well as the activity of the taxonomic and functional groups. Total activity and richness varied as a function of seasonality. Entomobryomorpha, Poduromorpha, and Symphypleona were the most representative taxonomic groups. Enchytraeidae and Blattaria were exclusive to CF. Auchenorrhyncha, Chilopoda, Heteroptera, and Thysanoptera were exclusive to AF. The functional group of microphagous/saprophagous (M/S) showed the highest activity, independent of the environment and season. Greater dissimilarity was observed among the invertebrate fauna in AF when compared to CF. Periodically flooded areas favored groups from the saprophagous trophic guild, while AF areas favored predator and herbivore groups. Soil fauna present in forest environments presented less seasonal variability.

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周期性淹没森林和人为地下土壤动物群落生态学研究

本研究对大西洋森林周期性淹水林(CF)残片和人为田(AF)土壤无脊椎动物群落的生态学进行了评价。利用陷阱在雨季和旱季取样。我们估计了总活度、丰富度、多样性、均匀度以及分类群和功能群的活度。总活度和丰富度随季节变化而变化。其中最具代表性的类群为虫胚亚、足胚亚和合胚亚。赤眼蜂专为叶翅科和Blattaria，赤眼蜂专为Auchenorrhyncha、Chilopoda、Heteroptera和Thysanoptera，微噬/腐食(M/S)功能组活性最高，与环境和季节无关。与CF相比，AF区无脊椎动物群之间存在更大的差异。周期性淹水区偏爱腐食营养类群，而AF区偏爱捕食和草食类群。森林土壤动物的季节变异性较小。

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