Results 41 to 50 of about 89,157 (179)

Rarity patterns and conservation priorities in Cactaceae species from the Southern Central Andes: a case study from the Calchaquíes Valleys, Salta, Argentina [PDF]

open access: yes, 2016
En este trabajo se estudiaron 34 especies de Cactaceae de los Valles Calchaquíes, Argentina, para determinar 1) el nivel de rareza de las especies, 2) la proporción de especies raras entre grupos taxonómicos y ecológicos, y 3) la consistencia espacial de
Aagesen, Lone   +5 more
core  

Morphology of the First Zoeal Stage of the Shrimp Typton distinctus Chace, 1972: The Second for the Genus Typton O.G. Costa, 1844 After 100 Years

open access: yesActa Zoologica, EarlyView.
ABSTRACT The marine shrimp of the genus Typton are widely distributed, known to be associated with sessile organisms such as sponges. Information about this genus is limited, highlighting the scarcity of important features in its biology, including larval forms.
Matheus Sene   +2 more
wiley   +1 more source

Um Melanoma “mascarado”

open access: yesRevista Brasileira de Medicina de Família e Comunidade, 2012
O melanoma é um tumor que se desenvolve como resultado da transformação maligna dos melanócitos, estimando-se a sua incidência global em 132.000 casos/ano.
Cláudia Sofia Rego   +2 more
doaj   +1 more source

How Different Patterns of Policy Attention Drive Policy Diffusion: Evidence From China's River Chief System

open access: yesPolicy Studies Journal, EarlyView.
ABSTRACT Despite extensive research on policy diffusion, the ways in which policy attention influences this process remain underexplored. This study addressed this gap by distinguishing between three types of policy attention—political speeches, policy issuance and field visits—and investigating their differential impacts when delivered by central and ...
Xiangning Chen, Yahua Wang
wiley   +1 more source

Maternal nutrition as a key determinant of placental and developing blood–brain barrier xenobiotic protective functions

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend Suboptimal maternal nutrition alters placental and developing blood–brain barrier (BBB) protective function and is associated with increased fetal brain vulnerability. In the placenta, nutritional adversity may reduce the exchange surface area and promote meta‐inflammation, compromising barrier efficiency in a model‐ and context ...
Kristin L. Connor   +4 more
wiley   +1 more source

Bycatch and discard survival rate in a small-scale bivalve dredge fishery along the Algarve coast (southern Portugal) [PDF]

open access: yes, 2018
Although the bivalve dredge used on the Algarve coast (southern Portugal) is highly selective for the target species, in some periods of the year the bycatch can exceed the catch of the commercial species. The present study aimed to quantify the bycatch
Alverson   +65 more
core   +3 more sources

Charge towards green finance ignores risks of nature commodification: Evidence from the UK's climate and nature recovery policy landscape

open access: yesPeople and Nature, Volume 8, Issue 5, Page 1297-1308, May 2026.
Abstract The urgent need for up‐scaled finance has become central to the climate and nature recovery discourses worldwide. With most existing investments coming from public sources, closing the financing gap has become the overpowering argument for calling for private investments into nature restoration and conservation.
Julia Martin‐Ortega   +2 more
wiley   +1 more source

Caracterización histopatológica del melanoma maligno cutáneo. Provincia de Cienfuegos. 2009-2011

open access: yesMedisur, 2018
Fundamento: el melanoma maligno es causante de la mayoría de las muertes por cáncer cutáneo y su pronóstico depende en gran medida de la estadificación al momento de su diagnóstico.
Zuria Elisa Ayala Reina   +5 more
doaj  

From Lability to Conservatism: Evolutionary Patterns in the Traits of Stream Trichoptera

open access: yesFreshwater Biology, Volume 71, Issue 5, May 2026.
ABSTRACT The ability to predict biodiversity responses to ongoing environmental change depends on understanding the extent to which traits are conserved across evolutionary history. Examining the relationship between traits and phylogeny provides key insights into how evolutionary history constrains and structures the traits.
Mariana Nunes Menegat   +2 more
wiley   +1 more source

Spartan Daily, April 6, 1938 [PDF]

open access: yes, 1938
Volume 26, Issue 110https://scholarworks.sjsu.edu/spartandaily/2747/thumbnail ...
San Jose State University, School of Journalism and Mass Communications
core   +1 more source

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