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

