Aquatic Biodiversity II: The Diversity of Aquatic Ecosystems by H. Segers (Editor), K. Martens (Editor)

By H. Segers (Editor), K. Martens (Editor)

Freshwater Biodiversity is a miles underestimated component to international biodiversity, either in its range and in its strength to behave as types for primary study in evolutionary biology and environment stories. Freshwater organisms additionally mirror caliber of water our bodies and will hence be used to observe adjustments in surroundings overall healthiness. the current e-book includes a distinct choice of basic study papers spanning quite a lot of subject matters in aquatic biodiversity reviews, and together with a primary worldwide overview of particular variety of freshwater animals. The ebook additionally provides a piece at the interplay among scientists and technology coverage managers. A objective opinion paper lists priorities in aquatic biodiversity examine for the following decade and several other reactions from distinctive scientists talk about the relevance of these things from diversified issues of view: primary ecology, taxonomy and systematics, wishes of constructing nations, present-day biodiversity coverage at ecu and at international scales. it truly is believed that this kind of platform for the interplay among technology and technology coverage is an absolute necessity for the effective use of analysis budgets sooner or later.

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For example, Dudgeon (1999) estimated that there are over 100 species of Gordioidea, an order of Nematomorpha confined to freshwaters. No comprehensive data are available on distribution and possible endemicity of Nematomorpha. PHYLUM GASTROTRICHA Habitat: Gastrotrichs are free-living in aquatic environments, either marine or freshwater (Boaden, 1985). The freshwater gastrotrich species mainly inhabit the sediment surface and the submerged vegetation in eutrophic waters (Ricci & Balsamo, 2000). Gastrotrichs are amongst the few animal groups commonly found in (near-) anaerobic environments.

Distribution: Three nemertean species. are found, in North America (Gibson, 1995; Thorp & Covich, 2001), and 15 species are reported from Europe (Fauna Europaea, 2002). PHYLUM NEMATODA Habitat: Many nematods are free-living but they also include parasitic species, a number of which affect humans directly or indirectly through their domestic animals (Malakhov, 1994). It is difficult to identify the exact diversity of freshwater nematode species, because some terrestrial nematods live in the water-film surrounding plants or soil particles.

J. Padisak, M. Dokulil & I. Chorus, 2003. Equilibrium/steady state concept in phytoplankton ecology. Hydrobiologia 502: 395–403. Northcote, T. , 1988. Fish in the structure and function of freshwater ecosystems: a ‘top down’ view. Canadian Journal of Fisheries and Aquatic Sciences 45: 361–379. Novacek, M. J. & E. E. Cleland, 2001. The current biodiversity extinction event: scenarios for mitigation and recovery. 26 Proceedings of the National Academy of Sciences 98: 5466– 5470. , B. Hugueny & J.

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