Results 91 to 100 of about 4,698 (215)

Annual Report Ant Smelt 2010: A changing role for smelt Osmerus eperlanus in the Lake IJsselmeer and Lake Markermeer foodweb? Climate- and nutrient-induced changes in ecoystem functioning [PDF]

open access: yes
The smelt project is part of a larger research project that aims at generating, exploring and testing different possible explanations for the observed Autonomous Negative Trends (ANT) in water fowl in Lake Markermeer and Lake IJsselmeer.
Graaf, M., de, Keller, A.M.
core   +1 more source

Atlas and zoogeography of common fishes in the Bering Sea and northeastern Pacific [PDF]

open access: yes, 1988
The geographic and depth frequency distribution of 124 common demersal fish species in the northeastern Pacific were plotted from data on me at the Northwest and Alaska Fisheries Center (NWAFC), National Marine Fisheries Service.
Allen, M. James, Smith, Gary B.
core  

Pathological and histopatnotogical studies of the swimbladder of eels Anguilla anguitla infected by Angutlticpta crassus (Nemafoda: Dracuncuioidea) [PDF]

open access: yes, 1993
The swimbladder lesions produced by Anguillicola crassus (Nematoda) infection, causing mass mortality among eels in Lake Balaton (Hungary) were studied by histological methods.
Baska, Ferenc   +4 more
core   +1 more source

Inter- and Intra-Estuarine Comparison of the Feeding Ecology of Keystone Fish Species in the Elbe and Odra Estuaries

open access: yesFishes
Food webs in estuarine ecosystems serve as important biological indicators. The feeding ecology of four keystone fish species, pikeperch (Sander lucioperca L.), smelt (Osmerus eperlanus L.), ruffe (Gymnocephalus cernua L.) and flounder (Platichthys ...
Jesse Theilen   +8 more
doaj   +1 more source

Morphometric, meristics and comparative studies of Chrysichthys nigrodigititus (Lacepede) from Lagos Lekki and Badagry Lagoons, Lagos State, south west Nigeria [PDF]

open access: yes, 2005
Morphometric measurements, meristic counts and comparative studies of Chrysicthys nigrodigitatus samples from Lagos, Lekki, and Badagry Lagoons was carried out to determine the amount of variation among the species from the different locations using ...
Ajado, E.O.   +2 more
core  

Inventory and comparison of abundance of parasitic copepods on fish hosts in the western Wadden Sea (North Sea) between 1968 and 2010 [PDF]

open access: yes, 2014
A conspicuous part of the parasite fauna of marine fish are ectoparasites, which attach mainly to the fins or gills. The abundant copepods have received much interest due to their negative effects on hosts.
Boer, P.   +4 more
core   +1 more source

Brief Note: Limnetic Larval Fish in the Nearshore Zone of the South Shore of the Central Basin of Lake Erie [PDF]

open access: yes, 1983
Author Institution: Center for Lake Erie Area Research, The Ohio State University ; Department of Biology, John Carroll ...
Cooper, C. Lawrence   +2 more
core  

Phosphorus Pools Associated with Fish in the Archipelago Sea

open access: yesFishes
This study compiles and updates data to construct the phosphorus budget of the Archipelago Sea (northern Baltic Sea, Europe), with a particular focus on estimating phosphorus pools associated with fish populations.
Harri Helminen
doaj   +1 more source

Development and validation of probe-based multiplex real-time PCR assays for the rapid and accurate detection of freshwater fish species.

open access: yesPLoS ONE, 2019
Reliable species identification methods are important for industrial environmental monitoring programs. Probe based real-time quantitative polymerase chain reaction (qPCR) provides an accurate, cost-effective and high-throughput method for species ...
Emily N Hulley   +3 more
doaj   +1 more source

Species-level and community-level data analyses reveal spatial differences and temporal change in the crustacean zooplankton of a large Canadian lake (Lake Simcoe, Ontario)

open access: yesJournal of Limnology, 2001
Consensus-building univariate and multivariate data analyses were used to identify patterns in space and time over seven years among 12 sampling stations in a 720 km2 hardwater Canadian lake (Lake Simcoe, Ontario, Canada).
Claudiu TUDORANCEA, Kenneth H. NICHOLLS
doaj   +1 more source

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