Results 111 to 120 of about 9,423 (285)
Permafrost and Periglacial Processes, EarlyView.ABSTRACT The Nacho Nyäk Tagé (Stewart River) watershed in central Yukon (Canada) is characterized by discontinuous permafrost that is locally highly sensitive to thaw. This study aims to map the spatial distribution of permafrost terrain disturbances (PTDs) in the watershed and model thaw susceptibility to support community‐led land‐use planning by the
Frederic Brieger +2 more
wiley +1 more source
Scientia Marina, 2005 Fresh fish obtained from commercial landings in the harbours of Olhão and Quarteira (south Portugal) in 1998 and 1999, were examined in order to study different aspects of the reproductive biology of Microchirus azevia (Risso, 1810): spawning season ...
Isabel Afonso-Dias +2 more
doaj +1 more source
A catch-free stock assessment model with application to goliath grouper (Epinephelus itajara) off southern Florida [PDF]
, 2006 Many modern stock assessment methods provide the machinery for determining the status of a stock in relation to certain reference points and for estimating how quickly a stock can be rebuilt. However, these methods typically require catch data, which are
Eklund, Anne-Marie +2 more
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River Research and Applications, EarlyView.ABSTRACT Globally, there has been an increase in the development and use of hydropower to produce energy. Hydropeaking is an operating regime that is used to meet real‐time energy demands; however, daily fluctuations in flows may result in fish becoming stranded.
Raegan Davis +2 more
wiley +1 more source
Neotropical IchthyologyThe aim of the present study provides the first results on the reproductive biology of the anchovy, Anchoa marinii, in a nearby-coastal area of Mar Chiquita coastal lagoon, 37º32'00"S 57º19'00"W, Argentina.
Sofía López +3 more
doaj +1 more source
Quality of pejerrey (Odontesthes bonariensis) eggs and larvae in captivity throughout spawning season [PDF]
, 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
Resilient Flow Regimes in the Rio Grande—Río Bravo Basin
River Research and Applications, EarlyView.ABSTRACT Water is essential for human development and is an indispensable resource for economic activity and a country's growth. However, current water practices, along with increasing land‐use change, climate change, and agricultural practices, have significantly altered the hydrological cycle and water availability.
Ramon Saiz‐Rodriguez +4 more
wiley +1 more source
River Research and Applications, EarlyView.ABSTRACT River infrastructures such as weirs, dams, inlet and outlet regulators often impair connectivity, leading to degradation and loss of key habitats for riverine fishes. This also holds true for golden perch (Macquaria ambigua Richardson), a migratory species in Australia's Murray–Darling Basin.
Josef Knott +5 more
wiley +1 more source
Scientia Marina, 1998 Length composition, age, growth, reproductive biology, feeding and parasites were studied using 432 individuals of the squid Ornithoteuthis antillarum (1.8-138 mm ML) collected in the open waters of the tropical central-east Atlantic.
A. I. Arkhipkin +4 more
doaj +1 more source
Preliminary Observations on spawning potential in the striped bass (Roccus saxatilis Walbaum) [PDF]
, 1952 This study was initiated during the summer of 1940 with the following objectives: (1) To determine at what age sexual maturity begins in striped bass of the Chesapeake Bay.
Jackson, H.W., Tiller, R.E.
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