Responses of Phytoplankton and Submerged Aquatic Macrophytes to Experimental 
Nutrient Enrichment in the Pantanal, Mato Grosso (Brazil): First Results

Adler, Maren; Junk, Wolfgang Johannes

Responses of Phytoplankton and Submerged Aquatic Macrophytes to Experimental Nutrient Enrichment in the Pantanal, Mato Grosso (Brazil): First Results

Adler, M., & Junk, W. J. (2002). Responses of Phytoplankton and Submerged Aquatic Macrophytes to Experimental Nutrient Enrichment in the Pantanal, Mato Grosso (Brazil): First Results. In R., Lieberei, H., Bianchi, V., Boehm, & C., Reisdorff (Eds.), Neotropical Ecosystems: Proceedings of the German-Brazilian Workshop, Hamburg 2000 (pp. 899-902). Geesthacht: GKSS-Forschungszentrum.

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アイテムのパーマリンク: https://hdl.handle.net/11858/00-001M-0000-000F-DDFB-F 版のパーマリンク: https://hdl.handle.net/11858/00-001M-0000-000F-DDFC-D

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作成者:
Adler, Maren, 著者
Junk, Wolfgang Johannes¹, 著者

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1Working Group Tropical Ecology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_976549

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キーワード: Pantanal of Mato Grosso; Algae; Aquatic macrophytes; Competition; Enclosure experiments; Nutrients

要旨: As one of the largest wetlands in the world, the Pantanal, located in the NW-Brazil, is mainly influenced by the seasonal changes of dryness and flooding. During low water level, large amounts of nutrients become available and high phytoplankton concentrations are observed. Submersed aquatic macrophytes are strongly reduced. During the period of high water level the concentration of available nutrients in the water is very low and the nutrients are mostly incorporated by free floating and submersed macrophytes. The competition between submersed macrophytes and phytoplankton under different nutrient conditions was examined using enclosures with and without addition of nutrients in order to determine limiting factors. Aquatic macrophytes dominated under most experimental conditions except high ammonia concentration. However, starting conditions had a strong influence on the result of the experiments. In addition to nutrients, competition for light seems to be important for the dominance of algae or aquatic macrophyte communities. The results are expected to contribute to environmental assessment and sustainable management of the Pantanal.

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言語: eng - English

日付: 出版: 2002

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識別子（DOI, ISBNなど）: eDoc: 31807
その他: 2194/S 37926

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出版物名: Neotropical Ecosystems : Proceedings of the German-Brazilian Workshop, Hamburg 2000

種別: 会議論文集

著者・編者:
Lieberei, Reinhard, 編集者
Bianchi, Helmut, 編集者
Boehm, Vera, 編集者
Reisdorff, Christoph, 編集者

所属:
-

出版社, 出版地: Geesthacht : GKSS-Forschungszentrum

ページ: book with abstracts and CD-ROM with fulltexts 巻号: - 通巻号: - 開始・終了ページ: 899 - 902 識別子（ISBN, ISSN, DOIなど）: ISBN: 3-00-010691-X

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