Effects of land use on native fish communities in east coast streams of the North Island of New Zealand

Rowe, David K.; Chisnall, Ben L.; Dean, Tracie L.; Richardson, Jody

doi:10.1080/00288330.1999.9516864

Cited by 56 publications

(36 citation statements)

References 23 publications

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“…Whilst in our study the most altered sites (urban sites) support solely exotic fish, native species were only present in sites with low to moderate perturbation (pasture sites), although they occurred with lower densities than exotic species at the same sites. This is consistent with reports for New Zealand, where pasture streams present the highest densities of native fish species (Rowe et al, 1999;among others). Paul and Meyer (2001) indicated that salmonids present a high capacity to occupy and compete in altered environments.…”

Section: Discussionsupporting

confidence: 82%

Effects of land use on fish assemblages in Patagonian low order streams

Prinzio

Casaux

Miserendino

2009

Ann. Limnol. - Int. J. Lim.

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-We assessed the effects of land use on the structure of stream fish assemblages in Northwest Patagonia, Argentina. To this end, a total of 18 sites distributed in 15 streams were sampled during the low water period. At each site, 26 regional and local scale variables were used to describe the environmental conditions. The macroinvertebrate density, and the composition and abundance of fish were then recorded. Statistical associations between local assemblage structures and environmental variables were quantified by canonical correspondence analyses. The results revealed that, at a regional scale, the fish assemblages were primarily determined by watershed features like altitude and catchment area, and by land use effects (exotic forest and pasture). Assemblage compositions were also related to some local-scale features such as water velocity, food availability (density of benthic macroinvertebrates), instream characteristic and riparian features. Also, the observed fish species richness was low. Overall, exotic salmonids largely dominated in the samples both in numbers of individuals (98.9%) and in biomass (99.9%), whereas native fish (Hatcheria macraei and Odontesthes hatcheri) were scarcely represented. Rainbow trout (Oncorhynchus mykiss) was the most abundant fish, and was present in all streams. Native species were restricted to five streams located in the ecotone between the Andes and the steppe, where salmonids were also present. Salmonids were the only fish at Andean streams which suggest the existence of a strong geographic segregation between native and exotic species. Some aspects related to the incidence of the introduced species in the structure of fish assemblages are discussed.

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Section: Discussionsupporting

confidence: 82%

Effects of land use on fish assemblages in Patagonian low order streams

Prinzio

Casaux

Miserendino

2009

Ann. Limnol. - Int. J. Lim.

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“…Shortfin eels have been found to be relatively more tolerant to physical and chemical habitat degradation than other species of freshwater fish in New Zealand (Rowe et al 1999). The significantly higher incidence of shortfin eel combined with the much lower incidence of any other species at the urban sites in this study is consistent with findings in highly modified streams in agricultural areas of New Zealand (hanchet 1990;hicks & Mccaughan 1997;Rowe et al 1999).…”

Section: Resultssupporting

confidence: 81%

“…The significantly higher incidence of shortfin eel combined with the much lower incidence of any other species at the urban sites in this study is consistent with findings in highly modified streams in agricultural areas of New Zealand (hanchet 1990;hicks & Mccaughan 1997;Rowe et al 1999). …”

Section: Resultssupporting

confidence: 79%

Differences in the distributions of freshwater fishes and decapod crustaceans in urban and forested streams in Auckland, New Zealand

McEwan¹,

Joy

2009

New Zealand Journal of Marine and Freshwater Research

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Using data from existing studies, assem blages of freshwater fishes and decapod crustaceans were examined at 39 sites in urbanised catchments and 57 sites in forested (reference) catchments within the greater Auckland region, New Zealand. Eleven native and 1 exotic fish species and 2 native decapod crustacean species were recorded. Species richness and fish index of biotic integrity (ibi) scores were lower overall in streams in urbanised catchments. Shortfin eel (Anguilla australis) and mosquitofish (Gambusia affinis) were more dominant in urban streams; all other commonly occurring species were found significantly more often in reference streams. Nondiadromous native species (cran's bully (Gobiomorphus basalis) and freshwater crayfish (Paranephrops planifrons)) were absent from urban streams, but relatively abundant in reference streams. This absence of nondiadromous species, together with the urban occurrence of five diadromous species suggests that migratory barriers pose less of a threat to freshwater communities than physicochemical disturbance in streams in the Auckland urban region.

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“…Its migratory juveniles form part of the whitebait fishery at river mouths (McDowall & Eldon 1980;Rowe et al 1992) and, although it is still common throughout New Zealand, its habitat has been greatly reduced by changes in land use from native forest to pasture (Hanchet 1990;Rowe et al 1999). As a consequence, its contribution to the whitebait fishery is now minor, and is probably much lower than it was historically (Rowe et al 1999).…”

Section: Introductionmentioning

confidence: 99%

“…Adult densities ranged from 0.23 to 0.36 fish m-2 in stream reaches of 50-55 m containing debris dams (D. K. Rowe unpubl. data), compared with a mean value of 0.06 fish m-2 in comparable stream reaches lacking debris dams (Rowe et al 1999). When juveniles were included, the overall density of banded kokopu rose by 350-500% indicating that the debris dams also provided habitat for large numbers of juvenile fish.…”

Section: Introductionmentioning

confidence: 99%

Use of in‐stream cover types by adult banded kokopu (Galaxias fasciatus) in first‐order North Island, New Zealand, streams

Rowe¹,

Smith

2003

New Zealand Journal of Marine and Freshwater Research

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The relative importance of wood material in providing in-stream cover for adult banded kokopu (Galaxias fasciatus) was determined in firstorder, North Island, New Zealand, streams. Three groups of streams, each differing in the relative amount of three types of in-stream cover (i.e., wood, boulders, undercut banks) were selected and banded kokopu were sampled in their pools using electric fishing. Banded kokopu occurred beneath boulders, undercut banks, and wood material in all pools except those lacking any in-stream cover, or those where large (total length >400 mm) eels were present. Their presence in pools was therefore highly dependent on in-stream cover, provided large eels were absent. In streams where the cover provided by boulders was lacking, banded kokopu selected mainly undercut banks and wood. However, in streams containing large amounts of bank and boulder cover, wood was under-utilised, indicating that it was least preferred. In pools providing a choice of cover types, bank cover was more frequently used than other types, indicating that it is preferred. The mean size of banded kokopu in pools was positively related to their relative abundance, and their abundance was in turn related to habitat quality as defined by in-stream cover. Streams with the least amount of bank cover had the lowest number of pools occupied by banded kokopu, fewer banded kokopu per pool, fewer pools containing two or more banded kokopu, and the smallest banded kokopu. Collectively, these data indicate that bank cover in pools provides optimal habitat for banded kokopu, and that wood material was important only where other types of more permanent cover were lacking. Logs and wood slash from logging operations could therefore be important for increasing banded kokopu habitat in logged streams where bank and boulder cover are scarce.

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Effects of land use on native fish communities in east coast streams of the North Island of New Zealand

Cited by 56 publications

References 23 publications

Effects of land use on fish assemblages in Patagonian low order streams

Effects of land use on fish assemblages in Patagonian low order streams

Differences in the distributions of freshwater fishes and decapod crustaceans in urban and forested streams in Auckland, New Zealand

Use of in‐stream cover types by adult banded kokopu (Galaxias fasciatus) in first‐order North Island, New Zealand, streams

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