Ecology of Australian Freshwater Fishes by Paul Humphries, Keith Walker

By Paul Humphries, Keith Walker

This edited quantity stories our previous and current realizing of the ecology of Australian freshwater fishes. It compares styles and approaches in Australia with these on different continents, discusses the neighborhood relevance of ecological versions from the northern hemisphere and considers how top to control our species and their habitats within the face of present and destiny threats. In view of those demanding situations, the necessity for redress is urgent.

The chapters are written through a few of our finest researchers and bosses, constructing issues that underpin our wisdom of the ecology, conservation and administration of fish and fish habitats. for every subject matter, the authors formulate a synthesis of what's recognized, ponder the necessity for brand new views and establish gaps and possibilities for examine, tracking and administration. the subjects have an Australian context yet draw upon rules and ideas constructed through fish biologists in different elements of the world.

The technology of freshwater fish ecology in Australia has grown speedily from its roots in usual background and taxonomy. This booklet bargains an advent for college kids, researchers and executives, one who the authors wish will hold Australian fish biology and source administration to new degrees of figuring out.

Winner of the 2013 Whitley Medal

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G.  nigrans): Larson and Martin 1990). How is this possible? A waterfall may be younger than the local fish assemblage, or the fish may have colonised the headwaters from another drainage, or they may have climbed the waterfall. g. Atherton Tableland, Queensland: Hurwood and Hughes 1998; McGlashan and Hughes 2000) but it seems that noone has yet investigated the effects of waterfalls on population genetic structure. In the Northern Hemisphere, salmonids often occur above waterfalls (Northcote 2010) and studies of these and other species generally indicate small but significant genetic differences (Tatarenkov et al.

2002), Pusey et al. org/index. php>). Biogeographic overviews of the global freshwater fish fauna include those by Matthews (1998), Banarescu (1990), Lundberg et al. (2000), Berra (2007) and Abell et al. (2008), and ichthyological texts those by Moyle and Cech (2004), Barton (2007) and Helfman et al. (2009). AUSTRALIAN FISHES IN A GLOBAL CONTEXT Currently, more than 32 000 fish species are recognised globally, and each year more than 300 new species are described (Eschmeyer and Fong 2012). Over 80% of the known species belong to two groups within the Teleostei (Fig.

Thus, we tend to treat the river basin as a default biogeographical unit, as it is the largest area that has consistent aquatic connections and tends to be isolated from other basins. 29 30 Ecology of Australian Freshwater Fishes One caveat is that where a fish lives within a basin will affect how it responds to the addition or removal of barriers. For instance, upland stream fishes are more likely to be in the vicinity of drainage rearrangements (see ‘Drainage changes’) and lowland fishes are more likely to be influenced by sea-level changes.

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