Results 31 to 40 of about 165 (141)

Commentary: Trends and Tensions in Freshwater and Fisheries Management in Central Otago, New Zealand

New Zealand Journal of Marine and Freshwater Research, Volume 60, Issue 1, March 2026.
Recent resource management planning processes and decisions in Central Otago, New Zealand, illustrate changes in policy direction for freshwater management. These processes and decisions also highlight interactions between, and values associated with, indigenous and introduced sports fish.
Harvey C. Perkins, Niall R. N. Watson
wiley   +1 more source

Fishing‐Induced Regulation of Diadromous Fish Subsidies in Stream Communities

Freshwater Biology, Volume 71, Issue 1, January 2026.
ABSTRACT Seasonal migrations of diadromous fish transport marine‐derived nutrients into freshwater ecosystems, enriching communities and restructuring food‐web dynamics. By diminishing these migrations, fishing pressure could disrupt cross‐ecosystem connectivity, thereby altering predator–prey interactions and community size structure.
Ben R. J. Crichton, Michael J. H. Hickford, Angus R. McIntosh, David R. Schiel   +3 more
wiley   +1 more source

Historical Impacts of Invasive Species May Not Always Be What They Seem: A Genetic Perspective From an Endangered Native Species

Diversity and Distributions, Volume 31, Issue 11, November 2025.
ABSTRACT Aim Invasive species can affect native species detrimentally, causing localised population declines, range contractions and extinctions. Given the costs and difficulties of controlling invasive species, sound knowledge of the potential benefits to native species is essential.
Charlotte Jense, Bruce E. Deagle, Rob Freeman, Christopher P. Burridge   +3 more
wiley   +1 more source

CONTENIDO DE ADN NUCLEAR EN GALAXIAS PLATEI (STEÍNDACUNER, 1898) (TELEOSTEI: OSMERIFORMES: GALAXIIDAE) NUCLEAR DNA CONTENT IN GALAXIAS PLATEI (STEINDACHNER, 1898) (TELEOSTEI: OSMERIFORMES: GALAXIIDAE)

Gayana, 2008
Galaxias platei, es un pez endémico de Chile y cubre una extensa área geográfica desde la zona centro-sur hasta gran parte de la Patagonia (38°S-54°S), incluyendo también parte de Argentina.
Pedro Jara-Seguel, Iván Valdebenito, Claudio Palma-Rojas   +2 more
doaj  

Diversity and Distribution of Amphibians and Freshwater Fishes on Australian Islands

Diversity and Distributions, Volume 31, Issue 7, July 2025.
ABSTRACT Aim Freshwater ecosystems cover less than 3% of the Earth's surface, yet support nearly 10% of all known animal species, majorly represented by freshwater fishes and amphibians, both of which are highly threatened groups. Geographically isolated freshwater species, such as those inhabiting islands, are at high risk. Australia, with nearly 9300
Samuel C. L. Ho, Simon P. Hart, Michael P. Hammer, Peter W. J. Baxter, Peter J. Unmack, Salit Kark   +5 more
wiley   +1 more source

Flow Matters: Unravelling the Interactive Influences of Flow Variation and Non‐Native Trout on Vulnerable Galaxiids

River Research and Applications, Volume 41, Issue 5, Page 1131-1142, June 2025.
ABSTRACT Understanding the interactive effects of non‐native species and alterations to flow regimes is important to combat threats to freshwater communities. Low‐flow conditions may either exacerbate or offset influences of non‐natives but the mechanisms determining the direction are poorly understood.
Olivia R. Hore, Jonathan D. Tonkin, Nixie C. Boddy, Angus R. McIntosh   +3 more
wiley   +1 more source

Freshwater Macroinvertebrate Community Responses to Drying Reflect Abiotic Stress, Frequency of Prior Drying and Proximity to a Perennial Reach

Freshwater Biology, Volume 70, Issue 4, April 2025.
ABSTRACT Intermittent streams dominate global river networks and are becoming increasingly common due to global change. Understanding the mechanisms by which freshwater biota respond to flow recession, drying, and intermittence is therefore important to our ability to support biodiversity as ecosystems adapt to ongoing stressors.
Elysia B. Harcombe, Angus R. McIntosh, Helen J. Warburton   +2 more
wiley   +1 more source

Observations on fishes of the family Galaxiidae: Part 2.

Papers and proceedings of the Royal Society of Tasmania, 1937
In Part 1 of these Observations (Scott, 1936), devoted to a taxo- nomic survey of the family, with descriptions of new species, the hope was expressed that in succeeding parts it would be found possible to consider the Tasmanian Galaxiidae described prior to 1936.
openaire   +1 more source

EL PUYE GALAXIAS GLOBICEPS EIGENMANN 1927 (OSTEICHTHYES: GALAXIIDAE):: ¿UNA ESPECIE EN PELIGRO DE EXTINCION? THE PUYE GALAXIAS GLOBICEPS EIGENMANN 1927 (OSTEICHTHYES: GALAXIIDAE): A SPECIES IN DANGER OF EXTINCTION?

Gayana, 2002
La familia Galaxiidae está representada, en Chile, por cinco especies. El estado del conocimiento de ellas es en general escaso, excepto en el caso de G. maculatus debido a que ha adquirido un gran interés económico. Por otro lado, G.
Vladimir Murillo H., Víctor H. Ruiz
doaj  

Optimizing eDNA Replication for Standardized Application in Lotic Systems in Aotearoa, New Zealand

Environmental DNA, Volume 6, Issue 5, September–October 2024.
The objective of this study was to optimize eDNA sample replication for the consistent characterization of freshwater fish and aquatic macroinvertebrate communities in flowing New Zealand waters, and ultimately, to inform the development of robust national monitoring standards. Results indicated that six replicates were needed to consistently detect 89.
Josh Smith, Bruno David, Andy Hicks, Shaun Wilkinson, Nicolas Ling, Daniel Fake, Alastair Suren, Amy Gault   +7 more
wiley   +1 more source