Results 31 to 40 of about 3,281,487 (298)

Age, Growth, Sex Composition, and Diet of the Burbot, Lota lota, the Only Freshwater Species of the Family Lotidae in the Amur (Heilongjiang) River, Northeast China

open access: yesFishes
Information about the population structure, including the age and sex composition, growth characteristics, and diet of fish, is essential for the conservation and sustainable exploitation of fish stock.
Lei Li   +5 more
doaj   +1 more source

Spatial Variability of the Feeding Conditions for the Norwegian Spring Spawning Herring in May

open access: yesFrontiers in Marine Science, 2022
The abundant and ecologically important copepods Calanus finmarchicus and Calanus hyperboreus within the Norwegian and Iceland Seas are key prey species of Norwegian spring spawning herring.
Inga Kristiansen   +5 more
doaj   +1 more source

Habitat Impacts on the Golden Eagle’s Foraging Ecology and Nest Site Selection in Poland

open access: yesDiversity
The Golden Eagle Aquila chrysaetos (hereafter GE) is one of Europe’s largest avian top predators. The present study recognizes the habitat characteristics and food composition of the GE in Poland.
Marian Stój   +3 more
doaj   +1 more source

Temporal variation of the larval diet of Bregmaceros bathymaster (Pisces: Bregmacerotidae) along the coast of Jalisco and Colima, Mexico, during one annual cycle (1996).

open access: yesCiencias Marinas, 2006
Temporal variations in the larval diet of Bregmaceros bathymaster on the coast of Jalisco and Colima during 1996 were analyzed. An increase in feeding incidence (from 10% in preflexion stage to 80% in transformation stage), in trophic spectrum (from 10 ...
MP Siordia-Cermeño   +3 more
doaj   +1 more source

Differences in the Diets of Female and Male Red Deer: The Meaning for Sexual Segregation

open access: yesBiology, 2023
Sexual segregation is a common phenomenon among animals, particularly dimorphic ones. Although widely addressed, the reasons and consequences of sexual segregation are still an important topic in need of better understanding.
Fernanda Garcia   +7 more
doaj   +1 more source

ASSESSMENT AND IMPROVEMENT OF SCAT ANALYSIS METHODOLOGY FOR DETERMINING RED FOX DIET

open access: yesBiota. Human. Technology
Purpose of the work. The aim of the study was to develop a standardized and reproducible method for scat analysis to obtain comparable results on species’ feeding habits. Methodology.
Ishtvan Zhelitski
doaj   +1 more source

Influence of Diet Composition on the Utilization of Soft Phosphate in Broiler Diets

open access: yesPoultry Science, 1967
Abstract NUMEROUS studies have been conducted to evaluate the biological value of soft phosphate for poultry. The majority of these reports have indicated that the phosphorus from soft phosphate is poorly utilized. Nelson and Peeler (1961) reported a biological value of only 34 percent for soft phosphate and found that the availability of poor ...
B L, Damron, P W, Waldroup, R H, Harms
openaire   +2 more sources

Impact of Radiation Therapy on Physical and Psychosocial Health of Adolescents and Young Adults: A Joint Report From the Children's Oncology Group AYA and Radiation Oncology Committees

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Rates of cancer among adolescents and young adults (AYA), age 15–39 years, are increasing. Consequently, radiation oncologists are treating more AYAs who have diagnoses spanning both pediatric and adult practices. Compared to pediatric and older adult patients, AYAs face a unique set of challenges.
Hesham Elhalawani   +7 more
wiley   +1 more source

Diet selection by the lesser rhea (Rhea pennata pennata) in Payunia, Northern Patagonia (Mendoza, Argentina)

open access: yesRevista de la Facultad de Ciencias Agrarias, 2022
The lesser rhea (family Rheidae) is a flightless large bird of South America, threatened due to habitat loss, hunting and egg collecting, with special concern in Northern Patagonia.
Silvia Puig   +3 more
doaj  

Differences in diet between the two largest breeding colonies of Audouin's gulls: the effects of fishery activities

open access: yesScientia Marina, 2002
We analysed and compared the diet of Audouin´s gulls Larus audouinii between their two largest breeding sites in the world: the Ebro Delta and the Chafarinas Islands (western Mediterranean).
Vittorio Pedrocchi   +4 more
doaj   +1 more source

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