Effect of Forest Mosaic on the Functional Diversity of Earthworms (Oligochaeta, Lumbricidae) in the Forest-Steppe Belt of the Ob River Region (Novosibirsk Oblast)
{"title":"Effect of Forest Mosaic on the Functional Diversity of Earthworms (Oligochaeta, Lumbricidae) in the Forest-Steppe Belt of the Ob River Region (Novosibirsk Oblast)","authors":"S. A. Ermolov","doi":"10.1134/s1995425524700331","DOIUrl":null,"url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>This paper discusses earthworm (Lumbricidae) populations inhabiting forb–fern pine forests and fern birch–aspen forests prevailing in the forest-steppe belt of the Ob River region (Novosibirsk oblast) in relation to the forest mosaic. A detailed analysis of the structure of earthworm complexes has made it possible to identify individual species and living forms biotopically confined not only to certain forest types, but to forest microsites as well. Pine forests are mostly predominated by Asian earthworm species, while birch–aspen forests are mostly predominated by cosmopolitans. Differences between earthworm populations inhabiting various microsites in population density and biomass are more pronounced in forest openings than in undercrown and intercrown spaces, especially in pine forests. An analysis of earthworm populations inhabiting fallen deadwood has made it possible to identify distinctive features of their structure: in pine forests, incomplete deadwood earthworm complexes complement soil earthworm complexes; in birch–aspen forests, fallen deadwood represents a distinct microsite with a fully featured earthworm complex.</p>","PeriodicalId":50619,"journal":{"name":"Contemporary Problems of Ecology","volume":null,"pages":null},"PeriodicalIF":0.7000,"publicationDate":"2024-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Contemporary Problems of Ecology","FirstCategoryId":"93","ListUrlMain":"https://doi.org/10.1134/s1995425524700331","RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ECOLOGY","Score":null,"Total":0}
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Abstract
This paper discusses earthworm (Lumbricidae) populations inhabiting forb–fern pine forests and fern birch–aspen forests prevailing in the forest-steppe belt of the Ob River region (Novosibirsk oblast) in relation to the forest mosaic. A detailed analysis of the structure of earthworm complexes has made it possible to identify individual species and living forms biotopically confined not only to certain forest types, but to forest microsites as well. Pine forests are mostly predominated by Asian earthworm species, while birch–aspen forests are mostly predominated by cosmopolitans. Differences between earthworm populations inhabiting various microsites in population density and biomass are more pronounced in forest openings than in undercrown and intercrown spaces, especially in pine forests. An analysis of earthworm populations inhabiting fallen deadwood has made it possible to identify distinctive features of their structure: in pine forests, incomplete deadwood earthworm complexes complement soil earthworm complexes; in birch–aspen forests, fallen deadwood represents a distinct microsite with a fully featured earthworm complex.
期刊介绍：
Contemporary Problems of Ecology is a multidisciplinary periodical that publishes original works on the following subjects: theoretical and methodical issues of ecology, regional aspects of ecology, regional ecological disasters, structure and functioning of ecosystems, anthropogenic transformation of ecosystems. All basic aspects of modern ecology, including the most complicated interactions between living organisms and their environment, are presented. Some of the journal issues are dedicated to global changes in biological diversity at various levels of organization (populations, species, ecosystems) principles and methods of nature conservation.
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