Results 61 to 70 of about 48,845 (182)

Boat electrofishing survey of Apata Pond and Lake McLaren [PDF]

open access: yes, 2004
We used New Zealand’s first successful electrofishing boat to catch koi carp (Cyprinus carpio haemaotopterus; Zhou et al. 2003) and rudd (Scardinius erythophthalmus) at two sites in the Bay of Plenty, North Island, New Zealand.
Hicks, Brendan J.   +3 more
core  

Cyprinus carpio Linnaeus 1758

open access: yes, 2014
Published as part of Litz, Thomas O. & The, Stefan Koerber Introduction, 2014, Check List of the Freshwater Fishes of Uruguay (CLOFF-UY)., pp.
Litz, Thomas O.   +1 more
openaire   +2 more sources

Behavioural Diversity of Fishes: Concepts, Drivers and Its Role in Conservation and Management

open access: yesFish and Fisheries, EarlyView.
ABSTRACT Human activity has altered nearly all ecosystems on Earth, contributing to substantial biodiversity loss across taxonomic, genetic and functional dimensions, from the intraspecific to the ecosystem scale. Yet some components of biodiversity remain hidden or underappreciated, including behavioural diversity.
Marie Prchalová   +25 more
wiley   +1 more source

Electrofishing survey of the Manawatu, Whanganui, and Mokau rivers and Lake Rotorangi, Petea River [PDF]

open access: yes, 2003
We used New Zealand’s first successful electrofishing boat to survey fish in three large North Island rivers and in Lake Rotorangi, hydro-electric impoundment on the Patea River. The primary objective of the fishing was to see if undesirable fish species
Hicks, Brendan J., Bell, Dudley G.
core  

Evaluation of water quality and toxicity after exposure of lead nitrate in fresh water fish, major source of water pollution

open access: yesEgyptian Journal of Aquatic Research, 2019
The present study was conducted to investigate the water quality, genotoxicity, histopathological changes in the gill, liver and kidney of common carp, Cyprinus carpio, after exposure to lead nitrate.
Saili Paul   +5 more
doaj   +1 more source

Capture Probability and Effects of Bait Type on Learning Behavior in an Unexploited Population of Northern Pike (Esox lucius)

open access: yesFisheries Management and Ecology, EarlyView.
ABSTRACT Changes in angling response were studied over a period of three years in a natural, previously unfished population of northern pike. Standardized angling sessions took place during two weeks in spring and autumn with three bait types: bright‐ and natural‐colored soft plastic baits and a dead baitfish.
Jorrit Lucas   +3 more
wiley   +1 more source

Assessment of fish populations in Lake Horowhenua, Levin [PDF]

open access: yes, 2013
Lake Horowhenua (Waipunahau) is of substantial historical, cultural and recreational value to the people of the Horowhenua region. However, water quality and biodiversity within the lake has been in decline for a number of years.
Tempero, Grant Wayne
core  

MORPHOLOGICAL AND MOLECULAR DIFFERENTIATION OF Clinostomum complanatum (Digenea: Clinostomidae) METACERCARIAE INFECTING Cyprinus carpio IN ARAS RIVER

open access: yesSlovenian Veterinary Research
Clinostomiasis is one of the parasitic diseases infecting freshwater fish caused by digenean trematode of the Clinostomidae family. In this study a total of 100 fish belonging to the nine species were collected from Aras River in 2021-2022.
Zahra Heidari   +6 more
doaj   +1 more source

‘It's not much, but it's honest work’: The status of environmental DNA analyses of fish biodiversity in southern Africa

open access: yesJournal of Fish Biology, EarlyView.
Abstract Environmental DNA (eDNA) biodiversity surveys have the power to transform the detection of species in natural environments, which is crucial for the conservation and management of freshwater, estuarine and marine environments. Globally, eDNA‐based analyses have increased significantly, with fishes being the most widely studied aquatic ...
Sophie von der Heyden
wiley   +1 more source

Boat electrofishing survey of the Waimapu and Kopurererua streams, Bay of Plenty, Waitara River, and a pond at Mokoia, Taranaki [PDF]

open access: yes, 2005
We conducted boat electrofishing surveys at four sites to establish the presence of, and to remove, koi carp (Cyprinus carpio). We fished the lower Waimapu Stream, Bay of Plenty, on 15 April and 14 June 2005, and the adjacent Kopurererua Stream on 15 ...
Hicks, Brendan J.   +2 more
core  

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