Results 141 to 150 of about 25,479,140 (244)

Exposure to heat waves and drought improves subsequent leaf heat tolerance for five oak species in southern California

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Premise Given the threats of climate change, we investigated the impact of high temperatures separately and in combination with reduced soil water on leaf heat tolerance for five oaks (Fagaceae) with overlapping ranges in southern California, USA: Quercus agrifolia and Q. chrysolepis (evergreen species), Q. douglasii and Q.
Casey D. Wisely   +7 more
wiley   +1 more source

Genetic diversity and differentiation of a partial mycoheterotrophic orchid (Cymbidium macrorhizon) under urbanization

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Premise Urbanization exerts substantial pressures on the genetic diversity of plant species, but the direction and magnitude of urbanization impacts may vary depending on species‐specific life history characteristics. To better understand the relationship between life history and urbanization effects, we assessed genetic diversity and ...
Naohiro I. Ishii   +3 more
wiley   +1 more source

Immigrant mental health, safe work, discrimination, and state policies: From racism and xenophobia to health equity

open access: yesAmerican Journal of Community Psychology, EarlyView.
Abstract An ecological model was developed to examine the pathways linking immigration state policies to physically safe work conditions and work volition, interpersonal discrimination, and mental health distress. The ecological framework was tested among two subsamples totaling 529 Latinx immigrant participants: (1) immigrants who resided in states ...
Germán A. Cadenas   +6 more
wiley   +1 more source

A systematic review of nature-based solutions for climate action in African cities. [PDF]

open access: yesEnviron Res Lett
Rule NF   +14 more
europepmc   +1 more source

Negotiating contested spaces and places: Narratives of social suffering and resistance in racialized Cape Town communities

open access: yesAmerican Journal of Community Psychology, EarlyView.
Abstract This study employs a schizocartographic approach to explore community narratives of space, memory, and violence in Kraaifontein, Cape Town. Through participants' accounts, ordinary places—gardens, shops, blocks, sports grounds, and streets—emerge as ambivalent geographies where trauma, resilience, and belonging intersect.
Guido Veronese   +2 more
wiley   +1 more source

Firearm carrying practices and motivations: A mixed methods study among adults and youth

open access: yesAmerican Journal of Community Psychology, EarlyView.
Abstract The purpose of this participatory action, mixed methods research study was to identify motivations related to firearm carrying from a qualitative perspective, and then to use quantitative research to characterize the patterns of motivations around carrying.
Krista R. Mehari   +5 more
wiley   +1 more source

Internet use and adolescent development: A conceptual model integrating behavioral and contextual theories

open access: yesAmerican Journal of Community Psychology, EarlyView.
Abstract In the digital era, adolescent development is deeply embedded in the cyber environment. Despite ongoing debate on the benefits and/or risks that Internet use brings to adolescents in empirical studies, conceptual and theoretical discussion on the influences of the intensity and modalities of Internet use is peripheral.
Linxiao Zhang   +3 more
wiley   +1 more source

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