Results 31 to 40 of about 5,577 (169)

Changes in taxonomic and functional diversity of an urban stream fish assemblage: A 30-year perspective

open access: yesFrontiers in Environmental Science, 2023
Globally, freshwater fish diversity is rapidly changing in response to land use change, including urbanization. Time series of freshwater fish communities can help elucidate the underlying mechanisms of species loss and gains, as well as promote ...
Reuber Antoniazzi   +4 more
doaj   +1 more source

Stock assessment of the gulf menhaden, Brevoortia patronus, fishery [PDF]

open access: yes, 1987
A stock assessment of the gulf menhaden. Brevoortia patronus, fishery was conducted with data on purse-seine landings from 1946 to 1985 and port sampling data from 1964 to 1985.
Vaughan, Douglas S.
core  

Understanding the Relative Roles of Salmon Spawner Enrichment and Disturbance: A High-Frequency, Multi-Habitat Field and Modeling Approach

open access: yesFrontiers in Ecology and Evolution, 2020
Organisms exert multiple, and often contrasting, influences on ecosystems. During their spawning runs, Pacific salmon (Oncorhynchus spp.) deliver nutrients to freshwater ecosystems, but also disturb benthic sediments during upstream migration and nest ...
Janine Rüegg   +7 more
doaj   +1 more source

Quality of pejerrey (Odontesthes bonariensis) eggs and larvae in captivity throughout spawning season [PDF]

open access: yes, 2014
The aim of this work was to assess the quality of pejerrey eggs and larvae throughout its spawning season. Fertilized eggs were taken on September, October, November, and December from a captive broodstock.
Chalde, Tomás   +2 more
core   +3 more sources

The sustainable management of the New Zealand longfin eel : a bioeconomic analysis : a thesis presented in partial fulfilment of the requirements for the degree of Master of Applied Economics at Massey University [PDF]

open access: yes, 2002
Annual recruitment of the New Zealand longfin eel (Anguilla dieffenbachii) has declined by around 75 percent since heavy levels of commercial fishing began in the early 1970s.
Doole, Graeme John
core  

Life-history strategies associated to reproduction of three Hyphessobrycon species (Characidae) in lentic environments of upper Paraná River basin

open access: yesActa Limnologica Brasiliensia, 2013
AIM: Life-history strategies in fish include essential parameters related to offspring survivorship, fecundity and time of reproduction, which represent adaptive traits that enable a species to deal with spatial and temporal variability of abiotic ...
Cristina da Silva Gonçalves   +4 more
doaj   +1 more source

UPC++ v1.0 Programmer’s Guide, Revision 2020.3.0 [PDF]

open access: yes, 2020
UPC++ is a C++11 library that provides Partitioned Global Address Space (PGAS) programming. It is designed for writing parallel programs that run efficiently and scale well on distributed-memory parallel computers.
Bachan, J   +8 more
core   +1 more source

Analyzing large-scale conservation interventions with Bayesian hierarchical models: a case study of supplementing threatened Pacific salmon. [PDF]

open access: yes, 2015
Myriad human activities increasingly threaten the existence of many species. A variety of conservation interventions such as habitat restoration, protected areas, and captive breeding have been used to prevent extinctions. Evaluating the effectiveness of
Buhle, Eric R   +5 more
core   +1 more source

Length at First Maturity, Spawning TIME, and Reproductive Output in the Females of Hamilton\u27s Anchovy (Thryssa Hamiltonii Gray, 1835) [PDF]

open access: yes, 2020
The Hamilton\u27s anchovy (Thryssa hamiltonii Gray, 1835) is one of main target species in Indonesian small pelagic fishery. This engraulids member is characterized by short lifespan and fast reproductive cycle.
Dewi, N. N. (Nina)   +2 more
core  

Ovarian traits, spawning pattern and season, length at first maturity, and batch fecundity of Caragobius urolepis (Bleeker, 1852) caught from the Vietnamese Mekong Delta

open access: yesHeliyon
Caragobius urolepis has a wide range of distribution, from brackish to freshwater water, ranging from India to the Philippines and Fiji, including the Vietnamese Mekong Delta (VMD), where it lives mainly in the coastal regions and plays a vital role in ...
Phuc Le Hoang Nguyen   +5 more
doaj   +1 more source

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