Results 31 to 40 of about 13,772,771 (329)
Recent research has shown that the age composition of preschool classrooms influences children’s early learning. Building on prior research, this study examines whether the association between classroom age composition and children’s learning and ...
Kelly M. Purtell, Arya Ansari
semanticscholar +1 more source
Age composition of Chukchi sockeye salmon Oncorhynchus nerka
Long-term data on age composition for Chukchi populations of sockeye salmon are presented. Spawners of 23 ages are recognized in the period 1970-2013 for 10 populations: 2+, 3+, 0.1+, 0.2+, 0.3+, 0.4+, 0.5+, 1.1+, 1.2+, 1.3+, 1.4+, 1.5+, 2.1+, 2.2+, 2.3+,
Elena V. Golub’
doaj +1 more source
It has been reported that the composition of human gut microbiota changes with age; however, few studies have used molecular techniques to investigate the long-term, sequential changes in gut microbiota composition.
T. Odamaki +7 more
semanticscholar +1 more source
Accuracy of aging ducks in the U.S. Fish and Wildlife Service Waterfowl Parts Collection Survey
The U.S. Fish and Wildlife Service conducts an annual Waterfowl Parts Collection Survey to estimate composition of harvested waterfowl by species, sex, and age (i.e., juv or ad). The survey relies on interpretation of duck wings by a group of experienced
Aaron T. Pearse +5 more
doaj +1 more source
Age Changes in Body Composition [PDF]
EVALUATION of age changes in the composition of the body is hampered by the inadequacy of current procedures for determining body composition. Although a number of techniques have been proposed, only a few of these have been validated by direct carcass analysis. Validation has been done only on experimental animals.
openaire +2 more sources
State of stocks and fishery and some general features of biology are considered for saffron cod in the Bering Sea on results of bottom trawl surveys and commercial fishery statistics in 2000–2023. In 2023, the stock in the southwestern part of the sea is
O. V. Novikova, L. A. Chernoivanova
doaj +1 more source
Features of the microelement composition of saliva in elderly patients
Trace elements contained in human saliva, despite their small amount, perform a number of biological functions and are a reflection of the processes occurring in the body.
A. M. Imanov +2 more
doaj +1 more source
Gut microbiota markers in obese adolescent and adult patients: Age-dependent differential patterns [PDF]
Obesity levels, especially in children, have dramatically increased over the last few decades. Recently, several studies highlighted the involvement of gut microbiota in the pathophysiology of obesity. We investigated the composition of gut microbiota in
Alessandra Russo +15 more
core +2 more sources
New method for constructing size-and-age keys is proposed and tested on the data on size composition of yellowfin sole in commercial catches in the Patience Bay in 1950–2024, with the age of fish determined using the inverse growth calculations ...
A. O. Zolotov
doaj +1 more source

