Environmental stress changes the relationship between biodiversity and ecosystem functions, but the underlying mechanisms are poorly understood. Because species interactions shape biodiversity-ecosystem functioning relationships, changes in per capita interactions under stress (as predicted by the stress gradient hypothesis) can be an important driver of stress-induced changes in these relation...

Although research has demonstrated that the neonatal intensive care unit (NICU) is a stressful environment for preterm and high-risk infants, little research validates the suspected relationships between infant biobehavioral responses and environmental stress in the NICU. This exploratory study examined the relationship between environmental stress and biobehavioral responses of preterm infants...

Resource selection of herbivores is a complex ecological process that operates in relation to biological or non-biological factors, which may affect the feeding and movement, and subsequently their spatial distribution and environmental stress. Here, we estimated moose (Alces alces cameloides) resource selection for habitat variables and the effect of interspecific interactions related to roe d...

Abstract: We modelled how stress affects the population dynamics of infectious disease. We were specifically concerned with stress that increased susceptibility of uninfected hosts when exposed to infection. If such stresses also reduced resources, fecundity and/or survivorship, there was a reduction in the host carrying capacity. This lowered the contact between infected and uninfected hosts, ...

Transposable elements (TEs) have been recognized as potentially powerful drivers of genomic evolutionary change, but factors affecting their mobility and regulation remain poorly understood. Chaperones such as Hsp90 buffer environmental perturbations by regulating protein conformation, but are also part of the PIWI-interacting RNA pathway, which regulates genomic instability arising from mobile...

Subjective stress states elicited in the context of performance are composed of three broad syndromes as measured by the Short Stress State Questionnaire (SSSQ): Task-engagement, Worry and Distress (Helton, 2004). They are supposed to emerge from the interplay between environmental demands and metacognitive beliefs, but this assumption remains untested. Our research addressed this issue and tes...

introduction: stress is defined as any environmental change that disturbs the maintenance of brain homeostasis. stress leads to production of pro-inflammatory cytokines that provoke neurodegenerative disorders. in the present study, we investigated the effects of dalteparin on hippocampal neuronal death induced by chronic stress in rats. methods: the study was carried out on 60 adult male wista...

this paper presents the effect of high environmental heat on behavior of the male charles foster rats. eighty rats were divided into three groups, subjected to (i) acute heat stress (ii) chronic heat stress and (iii) handling control group. animals were exposed to the hot environment in a biological oxygen demand incubator at 38 ± 1ºc (relative humidity 45-50%) for four hours of continuous sing...

objective(s): hyperthermia is one of the most common environmental stressors that affect multi-biological systems in the body including the central nervous system as well as the hematopoietic organs. the objective of the present study was to investigate the protective role of ethanolic extract of propolis (eep) on some selective stress markers, hematological, biochemical, and histopathological ...

today, environmental crisis and loss of natural resources are the principle causes of the creation of environmental management systems. the optimal management of natural resources requires the assessment and classification of ecological and environmental potentials. using this method, the abilities and restrictions of resources can be recognized, and their future trends can be predicted. nebka ...