Results 131 to 140 of about 6,957 (295)

Fractional Moment Theory for Anomalous Transport: A Unified Framework for Lévy Flights, Fractals, and Complex Dynamical Systems

open access: yesMathematical Methods in the Applied Sciences, EarlyView.
ABSTRACT We develop a unified mathematical framework extending classical moment theory from discrete integer orders to a continuous spectrum of real orders f>0$$ f>0 $$, providing a systematic statistical characterization of complex systems exhibiting power‐law behavior.
Farrukh A. Chishtie
wiley   +1 more source

Price Links between Auction and Direct Sales of Fresh and Frozen Fish in North Norway (1997–2003)

open access: yes
In North Norway the dominant method of exchange for fresh and frozen fish at the ex-vessel level is by direct (contract) sale, whereby price is negotiated between fish processors and the fishermen.
Trondsen, Torbjorn   +3 more
core  

Fisheries Instrument Choice under Uncertainty [PDF]

open access: yes
This paper uses data from an actual fishery to construct a tractable and dynamic model to compare expected profit and its variance, optimal stock size, optimal harvest rate and optimal fishing effort under different management regimes under uncertainty ...
Tom Kompas   +2 more
core  

Noise, Hearing, and Communication in the Operating Room: A Mixed‐Methods Study

open access: yesOtolaryngology–Head and Neck Surgery, EarlyView.
Abstract Objective To evaluate noise‐related communication barriers in the operating room and to identify strategies for overcoming them. Study Design Cross‐sectional mixed‐methods survey. Setting Tertiary academic medical center. Methods An anonymous 21‐item electronic survey was distributed to operating room personnel, including surgeons ...
Sarah E. Hughes   +9 more
wiley   +1 more source

Socioeconomic and bioeconomic performance of Philippine fisheries in the recent decades [PDF]

open access: yes
The fishing industry in the Philippines was tantamount to a marine capture fishery in the 1950s to 1960s. Aquaculture and inland fishery production were not significant.
Cruz-Trinidad, A.
core  

Fish Bulletin No. 30. The Commercial Fish Catch of California for the Year 1929 [PDF]

open access: yes, 1931
For many years the Bureau of Commercial Fisheries has collected complete statistics of the fish catch of California by means of a system of triplicate receipts which record the number of pounds of each species landed by each fishing boat each day.
Staff of the Bureau of Commercial Fisheries
core  

Continental accumulation of fads2 copy numbers allows sticklebacks to thrive across a diversity of nutritional landscapes

open access: yesOikos, EarlyView.
Nutrients, including vital organic compounds, vary in availability across ecosystems, with the potential to act as a source of selection for traits that increase nutrient acquisition and biosynthesis. Compared to freshwaters, marine ecosystems are richer in the omega‐3 long‐chain polyunsaturated fatty acid (n‐3 LC‐PUFA) docosahexaenoic acid (DHA ...
Cornelia W. Twining   +12 more
wiley   +1 more source

Long-term variations in fish assemblage, macrophyte community, and water quality in Lake Rotoroa (Hamilton Lake)

open access: yes, 2012
Lake Rotoroa (37º48’S, 175º16’E) is a small, shallow, polymictic lake located on the western side of Hamilton City. The lake covers an area of 0.54 km2 with a mean depth of 2.4 m, catchment and riparian margins have been significantly modified into a ...
Law, Duncan Robert Mckenzie
core  

Matching habitat choice could be brightness‐based instead of hue‐based in green‐brown polymorphic grasshoppers

open access: yesOikos, EarlyView.
Some prey species have evolved background matching, that is they resemble their surrounding environment in terms of colour and/or brightness. When prey populations inhabit patchy environments, they may even have evolved specialised phenotypes: each phenotype matching a specific subset of patches.
Lilian Cabon, Holger Schielzeth
wiley   +1 more source

Multitrophic alpha and beta diversity of lake plankton across Canada

open access: yesOikos, EarlyView.
Anthropogenic environmental changes impact freshwater biodiversity globally. While biodiversity assessments in freshwater environments have traditionally focused on individual groups of organisms or trophic levels, considering patterns of ‘multitrophic biodiversity' across the food web provides a more comprehensive view of anthropogenic impacts and ...
Vincent Fugère   +6 more
wiley   +1 more source

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