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Link to original content: https://pubmed.ncbi.nlm.nih.gov/37419354
Effect of nature protection and management of grassland on biodiversity - Case from big flooded river valley (NE Poland) - PubMed Skip to main page content
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. 2023 Nov 10:898:165280.
doi: 10.1016/j.scitotenv.2023.165280. Epub 2023 Jul 6.

Effect of nature protection and management of grassland on biodiversity - Case from big flooded river valley (NE Poland)

Paweł Knozowski  1 , Jacek J Nowakowski  2 , Anna Maria Stawicka  3 , Andrzej Górski  4 , Beata Dulisz  5
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Free article

Effect of nature protection and management of grassland on biodiversity - Case from big flooded river valley (NE Poland)

Paweł Knozowski et al. Sci Total Environ. .
Free article

Abstract

Agriculturally used meadows are habitats whose biodiversity depends on anthropogenic disturbances such as fertilization or mowing. Intensified agricultural practices (too frequent mowing, use of mineral fertilizers and insecticides) lead to declines in the abundance and species diversity of the biota inhabiting them. The intensification of agricultural production in north-eastern Poland relates primarily to the increase in cattle numbers and the intensification of grassland management, but many areas were included in Natura 2000 network. Our study was aimed at indicating the impact of diverse use of meadows on the species richness and diversity of invertebrates, amphibians, and birds in the grasslands of Narew river valley, Special Bird Protection Area, where the intensification of grassland use was noted in the last decades, and part of the meadows was included in the agri-environmental program. The agri-environmental program is a very good tool for the protection of grassland biotic diversity. The highest taxonomic richness and diversity of the studied animal groups were found in meadows included in these programs with extensive use, while the lowest was in the over- and intensively used meadows fertilized with mineral fertilizers and liquid manure. Only the meadows in the agri-environment program were inhabited by the fire-bellied toad and the tree frog - amphibians from Annex IV of the Habitats Directive. The number of breeding bird species globally threatened (IUCN Red List), listed in Annex I of the EU Birds Directive, and with negative population trend in Europe (SPEC1-3) was highest in meadows included in EU conservation programs. The main factors reducing biotic diversity in the grassland of flooded river valley were the high number of grassland mowing per season, intensive fertilization, especially with liquid manure, the great distance of meadows to the river, low soil humidity, and low share of shrubs and trees in the meadows border zone.

Keywords: Agriculture; Ecology of grassland; Habitat selection; Nature protection; Species richness, birds, amphibian, invertebrates.

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Conflict of interest statement

Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

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