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1.
Philos Trans A Math Phys Eng Sci ; 382(2269): 20230063, 2024 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-38342207

RESUMO

Conserving Nature's Stage (CNS) is a concept from conservation planning that promotes the protection of areas encompassing a broad range of enduring geophysical traits to provide long-term habitat for diverse species. The efficacy of using enduring geophysical characteristics as surrogates for biodiversity, independent of non-geophysical features and when considering finer resolution area selections, has yet to be investigated. Here, we evaluated CNS using 33 fine-scale inventories of vascular plant, non-vascular plant, invertebrate or vertebrate species from 13 areas across three continents. For each inventory, we estimated a continuous multidimensional surrogate defined from topographic and soil estimates of the surveyed plots. We assessed surrogate effectiveness by comparing the species representation of surrogate selected plots to the representation from plots picked randomly and using species information. We then used correlation coefficients to assess the link between the performance and qualities of the inventories, surroundings and surrogates. The CNS surrogate showed positive performance for 24 of the 33 inventories, and among these tests, represented 28 more species than random and 83% of the total number of species on average. We also found a small number of weak correlations between performance and environmental variability, as well as qualities of the surrogate. Our study demonstrates that prioritizing areas for a variety of geophysical characteristics will, in most cases, promote the representation of species. Our findings also point to areas for future research that might enhance CNS surrogacy. This article is part of the Theo Murphy meeting issue 'Geodiversity for science and society'.


Assuntos
Biodiversidade , Conservação dos Recursos Naturais , Ecossistema , Solo
2.
Philos Trans R Soc Lond B Biol Sci ; 378(1889): 20220397, 2023 11 06.
Artigo em Inglês | MEDLINE | ID: mdl-37718600

RESUMO

It has been proposed that climate adaptation research can benefit from an evolutionary approach. But related empirical research is lacking. We advance the evolutionary study of climate adaptation with two case studies from contemporary United States agriculture. First, we define 'cultural adaptation to climate change' as a mechanistic process of population-level cultural change. We argue this definition enables rigorous comparisons, yields testable hypotheses from mathematical theory and distinguishes adaptive change, non-adaptive change and desirable policy outcomes. Next, we develop an operational approach to identify 'cultural adaptation to climate change' based on established empirical criteria. We apply this approach to data on crop choices and the use of cover crops between 2008 and 2021 from the United States. We find evidence that crop choices are adapting to local trends in two separate climate variables in some regions of the USA. But evidence suggests that cover cropping may be adapting more to the economic environment than climatic conditions. Further research is needed to characterize the process of cultural adaptation, particularly the routes and mechanisms of cultural transmission. Furthermore, climate adaptation policy could benefit from research on factors that differentiate regions exhibiting adaptive trends in crop choice from those that do not. This article is part of the theme issue 'Climate change adaptation needs a science of culture'.


Assuntos
Mudança Climática , Evolução Cultural , Agricultura , Evolução Biológica , Produtos Agrícolas
3.
Nature ; 610(7932): 457-458, 2022 10.
Artigo em Inglês | MEDLINE | ID: mdl-36224364
4.
Fed Pract ; 37(Suppl 2): S8-S15, 2020 May.
Artigo em Inglês | MEDLINE | ID: mdl-32952383

RESUMO

BACKGROUNDS AND OBJECTIVES: Eliminating veteran suicide is a top priority for the US Department of Veterans Affairs (VA). Veterans with cancer may be at particular risk for suicidal ideation (SI). The current study aimed to understand factors associated with distress in veterans with cancer who were referred for psychology services, and identify problems associated with SI. METHODS: Health records of veterans with cancer (N = 174) were reviewed to abstract data, including results of National Comprehensive Cancer Network (NCCN) Distress Thermometer and Problems List and clinical suicide risk assessments. RESULTS: Veterans with severe distress were significantly more likely to endorse SI and have a history of suicide attempt(s) when compared with veterans with mild or moderate distress (χ2 = 18.36, P < .001). Of the problems endorsed on the NCCN Problems List, family problems were most strongly linked to SI (χ2 = 5.54, degrees of freedom [df] = 1, P = .02). Specifically, veterans who endorsed problems with their partner were 5 times more likely to experience SI when compared with veterans who did not endorse this problem (Wald = 15.142; df = 1, P < .001). CONCLUSIONS: This study is among the first to find partner problems as a suicide risk factor for veterans with cancer; and, underscore the importance of assessing for partner problems and suicidal ideation among veterans with cancer. This study supports the VA mission to end veteran suicide and addresses a gap in current literature by investigating the understudied population of veterans living with cancer and risk factors for SI.

5.
Psychol Serv ; 17(2): 217-226, 2020 May.
Artigo em Inglês | MEDLINE | ID: mdl-30299151

RESUMO

The current study aim was to examine mental health characteristics in a sample of returning OEF/OIF/OND veterans initially enrolling in Department of Veterans Affairs (VA) health care (N = 1,307), with a particular focus on a subgroup considered at risk for suicide (N = 445). Methods included examination of mental health screening measures and clinical interview data from a VA postdeployment clinic. Half of the sample met criteria for a mental health disorder, whereas 10% reported current suicidal or death ideation (e.g., thoughts of being better off dead or hurting oneself in some way) and 6% reported a history of suicide attempt. Sixty-eight percent of the at-risk subgroup accepted a referral for mental health treatment and a promising majority (78%) of those individuals attended their initial specialty mental health visit. At-risk veterans who accepted mental health referral were more likely to report current suicidal/death ideation; they were also more likely to have a diagnosis of a depressive disorder, anxiety disorder, or posttraumatic stress disorder. Factors associated with mental health appointment attendance included older age, being enrolled in college, and more years of military service. Results highlight the importance of early screening and referral to appropriate mental health follow-up. Implications for clinical practice and increasing engagement in VA mental health services among veterans at risk for suicide are discussed. (PsycInfo Database Record (c) 2020 APA, all rights reserved).


Assuntos
Transtornos Mentais/epidemiologia , Serviços de Saúde Mental/estatística & dados numéricos , Aceitação pelo Paciente de Cuidados de Saúde/estatística & dados numéricos , Ideação Suicida , Tentativa de Suicídio/estatística & dados numéricos , Veteranos/estatística & dados numéricos , Adulto , Agendamento de Consultas , Feminino , Humanos , Masculino , Transtornos Mentais/terapia , Pessoa de Meia-Idade , Encaminhamento e Consulta/estatística & dados numéricos , Risco , Estados Unidos/epidemiologia , United States Department of Veterans Affairs
6.
Clin Gerontol ; 43(1): 24-36, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-31680645

RESUMO

Objectives: Eliminating Veteran suicide is a top priority for the Department of Veterans' Affairs (VA). This study identified factors associated with suicidal ideation (SI) among a rarely studied subgroup of Veterans: those with cancer.Methods: Veterans (age M = 61.83) with cancer (N= 175) referred for psychological evaluation completed measures of pain, sleep, depressive, anxiety, and PTSD symptoms. SI was defined by endorsing on paper-and-pencil questionnaire thoughts of killing oneself in the past 2 weeks or during clinical interview.Results: 25.1% reported SI. Compared to those without SI, Veterans with SI had higher ratings on measures of depression, anxiety, and PTSD symptoms. History of suicide attempt(s) was included in the model due to clinical significance. Logistic regression was performed with these variables as predictors of SI. The omnibus model was significant (p< .001). However, only anhedonia and depressed mood had a statistically significant contribution to the model (ß = 0.540, p= .001).Conclusions: Anhedonia and depressed mood predicted SI among Veterans with cancer above and beyond other risk factors.Clinical Implications: This study's findings highlight the importance of incorporating suicide risk screenings in oncology clinics across VA medical centers.


Assuntos
Transtornos Mentais/epidemiologia , Neoplasias/psicologia , Encaminhamento e Consulta , Ideação Suicida , Veteranos/psicologia , Adulto , Idoso , Idoso de 80 Anos ou mais , Feminino , Humanos , Masculino , Saúde Mental , Pessoa de Meia-Idade , Estudos Retrospectivos , Fatores de Risco , Tentativa de Suicídio/estatística & dados numéricos , Estados Unidos/epidemiologia
7.
Assessment ; 26(1): 85-98, 2019 01.
Artigo em Inglês | MEDLINE | ID: mdl-29169252

RESUMO

Suicide occurs at high rates among veterans, underscoring a need for improved identification of veterans at risk of engaging in suicidal behavior. Considering dimensions of psychopathology in the context of an ideation-to-action framework, the present study examined the utility of the Minnesota Multiphasic Personality Inventory-2-Restructured Form in distinguishing depressed, psychiatrically hospitalized male veterans ( N = 430) at varying levels of suicide risk. Analysis of variance and hierarchical logistic regression analyses indicated that internalizing scales differentiated depressed ideators ( n = 147) and depressed controls ( n = 143); and in line with expectations, both broad and narrowly focused externalizing scales provided incremental validity in distinguishing depressed attempters ( n = 140) from depressed ideators. Interactions between Suicidal/Death Ideation and externalizing scale scores were found to differentiate only depressed ideators from depressed controls. Clinical implications in the areas of suicide risk assessment and therapeutic interventions with suicidal veterans are discussed.


Assuntos
Transtorno Depressivo/psicologia , Controle Interno-Externo , MMPI/estatística & dados numéricos , Medição de Risco/estatística & dados numéricos , Suicídio/psicologia , Veteranos/psicologia , Adulto , Transtorno Depressivo/diagnóstico , Humanos , Masculino , Pessoa de Meia-Idade , Psicometria/estatística & dados numéricos , Ideação Suicida , Tentativa de Suicídio/estatística & dados numéricos , Prevenção do Suicídio
8.
Crisis ; 38(6): 376-383, 2017 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-27869498

RESUMO

BACKGROUND: The Veterans Health Administration (VHA) health-care system utilizes a multilevel suicide prevention intervention that features the use of standardized safety plans with veterans considered to be at high risk for suicide. AIMS: Little is known about clinician perceptions on the value of safety planning with veterans at high risk for suicide. METHOD: Audio-recorded interviews with 29 VHA behavioral health treatment providers in a southeastern city were transcribed and analyzed using qualitative methodology. RESULTS: Clinical providers consider safety planning feasible, acceptable, and valuable to veterans at high risk for suicide owing to the collaborative and interactive nature of the intervention. Providers identified the types of veterans who easily engaged in safety planning and those who may experience more difficulty with the process. CONCLUSION: Additional research with VHA providers in other locations and with veteran consumers is needed.


Assuntos
Segurança do Paciente , Prevenção do Suicídio , United States Department of Veterans Affairs/organização & administração , Veteranos/psicologia , Planejamento em Saúde , Humanos , Entrevistas como Assunto , Pesquisa Qualitativa , Risco , Suicídio/psicologia , Estados Unidos
9.
J Exp Biol ; 214(Pt 13): 2140-56, 2011 Jul 01.
Artigo em Inglês | MEDLINE | ID: mdl-21653808

RESUMO

To understand renal responses to salinity change in aquatic reptiles, we examined the structure and function of the kidney in three species of snake: a marine species with a salt gland (Laticauda semifasciata), a marine species without a salt gland (Nerodia clarkii clarkii) and a freshwater species without a salt gland (Nerodia fasciata). Both marine species maintained relatively constant plasma ions, even after acclimation to saltwater. By contrast, both plasma Cl(-) and mortality increased with salinity in the freshwater species. To investigate putative renal ion regulatory mechanisms, we examined the distribution and abundance of Na(+)/K(+)-ATPase (NKA) and the Na(+)/K(+)/2Cl(-) cotransporter (NKCC2). In all species, NKA localized to the basolateral membranes of the distal tubule and the connecting segments and collecting ducts only; there was no effect of salinity on the distribution of NKA or on the abundance of NKA mRNA in any species. NKCC2 protein was undetectable in the kidney of any of the species and there was no effect of salinity on NKCC2 mRNA abundance. We also examined the distribution and abundance of aquaporin 3 (AQP3) in the kidney of these species; although putative AQP3 localized to the basolateral membranes of the connecting segments and collecting ducts of all three species, there was no effect of salinity on the localization of the protein or the abundance of the transcript. Interestingly, we found very few differences across species, suggesting that the snake kidney may play a trivial role in limiting habitat use.


Assuntos
Rim/fisiologia , Glândula de Sal/metabolismo , Sequência de Aminoácidos , Animais , Anticorpos/química , Aquaporina 3/biossíntese , Índice de Massa Corporal , Cloretos/farmacologia , Imuno-Histoquímica/métodos , Rim/metabolismo , Dados de Sequência Molecular , Salinidade , Serpentes , Simportadores de Cloreto de Sódio-Potássio/metabolismo , ATPase Trocadora de Sódio-Potássio/química , Membro 1 da Família 12 de Carreador de Soluto , Especificidade da Espécie
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