Sentences with phrase «ecological factors such»

Most prior PAT items were retained; however, parents recommended changes to improve screening format (separately assessing each sibling within the family and expanding response options to include «sometimes»), developmental sensitivity (developing or revising items for ages 0 — 2, 3 — 4, 5 — 9, and 10 + years), and content (adding items related to sibling - specific social support, global assessments of sibling risk, emotional / behavioral reactions to cancer, and social ecological factors such as family and school).

Environmental and ecological factors such as overcrowding, reduction in predators, food limitations, and genetic variations could have contributed to the natural selection for a smaller size.

Not exact matches

These conclusions are buttressed with diagrams showing such complex interrelationships among ecological and economic factors that it took a computer to work them out.

School districts in some states, including all five surveyed, may have additional protection under «recreational use» statutes, which offer immunity from certain claims against landowners who open their property to the public for recreational use.10 In states with broad recreational use statutes, such as Indiana, opening school kitchen facilities could be considered a protected activity under the law, depending on the circumstances of the use and other factors.11 However, in Massachusetts, protection for recreational activities extends only to purposes that are «scientific, educational, environmental, ecological, research, religious, or charitable,» 12 so the state's statute might not apply when districts allow for - profit groups to use school kitchens.

The researchers also found that using physiological biomarkers, such as hormones from droppings, is an effective way of evaluating the impact of ecological and demographic factors on animal populations.

While facial complexity was related to social variables, such as group size and the number of closely related species in the same habitat, facial pigmentation was best explained by ecological and spatial factors.

This link held up after ecological factors that also influence extinction, such as weather and habitat size, were taken into account.

But no such ecological factors turned out to be responsible during the 2 decades that behavioral ecologists Charles Brown and Mary Bomberger Brown of the University of Tulsa have been studying cliff swallows along Nebraska's Platte River.

While the larger size of the New Guinean bent - toed geckos seems to be an evolutionary trend, the role of potential factors such as competition, ecological diversification, isolation and dispersal remains quite a mystery.

Jedediah Brodie, a scientist at the University of British Columbia and study co-author, said a next step of research is determining which ecological changes in the Arctic are completely a result of ice loss, as opposed to climate change factors such as temperature increases.

Thus, rather than a multiplication of ecological roles, the new results point to external factors, such as increasing environmental heterogeneity, as the main evolutionary force.

They don't have a model for how «externalities», such as an ecological collapse, can lead to an economic collapse, because the basic factors are left out of the econometric models.

Because the quantity and quality of POC flux is an important ecological forcing factor in the abyss, abyssal ecosystems will be highly sensitive to such changes (Smith et al. 2008, 2009; Tittensor et al., 2011).

Future work will also focus on developing methods for collecting data from multiple sources to construct integrated maps of the many different factors that determine disease transmission and the emergence and spread of resistance, such as epidemiological and ecological data.

In this qualitative study, drawing from social - ecological and critical theories, multiple factors, such as the ability - level and gender of the child, school policies, and the prevalent stigma surrounding disability are examined to understand how they interact to shape educators» attitudes and responses to violence.

When preparing such a zoning and related regulations, factors like population density, the ecological sensitivity of the area concerned, closeness to polluting industry, closeness to sources of drinking water, etc. should be taken into account as well as the potential risks related to certain types of urban agriculture.

When we factor in ecological and social expenses, such as global warming and acid deposition, the trend toward the increasing cost of fossil fuels could become even more pronounced.

The trees were able to endure such low water potentials and maintain basal levels of metabolism because ecological forcings kept the tree density and leaf area index of the woodland low, physiological factors forced the stomata to close progressively and the trees were able to tap deeper water sources (below 0.6 m) than the grasses.

Perhaps the fire frequency was a function of population density, cultural practices innovations, or other human - based factors that had nothing to do with temperature, such as war, peace, displacement, entrenchment, food preference shifts, food availability changes, evolution in customs, advances in ecological knowledge, population growth, etc..

Burgess and Drais propose that child maltreatment is too complex to be explained fully by genetic relatedness alone and cite other reasons for child maltreatment, such as social factors, ecological factors and child traits such as disability and age.

In Feinberg's (2003, p. 111) ecological model about the structure and context of coparenting, coparenting is considered a mediator and moderator linking contextual factors, and parent and child characteristics and outcomes, and, as such, is «the centre about which family process evolves» (Weissman and Cohen 1985, p. 24).

According to socio - ecological theory, 18,19 sibling relationships, as with other relationships, vary as a function of family, peer, and individual factors that may also increase risk of psychiatric disorder.11, 18 Such factors include high levels of stress, 20 — 22 family violence, 22,23 peer victimization, 6 and children's internalizing and externalizing difficulties.23 A multivariate approach that adjusts for such factors is neeSuch factors include high levels of stress, 20 — 22 family violence, 22,23 peer victimization, 6 and children's internalizing and externalizing difficulties.23 A multivariate approach that adjusts for such factors is neesuch factors is needed.