Results 61 to 70 of about 1,224,431 (264)

Avaliação da temperatura do solo em três profundidades, sobre diferentes coberturas vegetais em latossolo amarelo muito argiloso do Oeste paraense. [PDF]

open access: yes, 2015
A temperatura do solo está relacionada com os processos de interação solo-planta. Devido à importância da temperatura do solo para os vegetais, objetivou-se estudar a temperatura no perfil do solo em diferentes profundidades em solo nu e com duas ...
MARTINS, I. C. T.   +4 more
core  

Vulnerability of marine megafauna to global at‐sea anthropogenic threats

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Marine megafauna species are affected by a wide range of anthropogenic threats. To evaluate the risk of such threats, species’ vulnerability to each threat must first be determined. We build on the existing threats classification scheme and ranking system of the International Union for Conservation of Nature (IUCN) Red List of Threatened ...
Michelle VanCompernolle   +309 more
wiley   +1 more source

Some factors affecting the distribution and apparent abundance of yellowfin and skipjack tuna in the Eastern Pacific Ocean [PDF]

open access: yes, 1964
ENGLISH: Since 1951, the Inter-American Tropical Tuna Commission has been investigating the biology, ecology and population dynamics of the yellowfin tuna, Thunnus albacares, and the skipjack tuna, Katsuwonus pelamis, in the Eastern Pacific Ocean.
Barrett, Izadore, Broadhead, Gordon C.
core  

Variation in responses to temperature in admixed Populus genotypes predicts geographic shifts in regions where hybrids are favored

open access: yesNew Phytologist, Volume 249, Issue 3, Page 1509-1526, February 2026.
Summary Plastic responses of plants to their environment vary as a result of genetic differentiation within and among species. To accurately predict rangewide responses to climate change, it is necessary to characterize genotype‐specific reaction norms across the continuum of historic and future climate conditions comprising a species' range. The North
Alayna Mead   +21 more
wiley   +1 more source

Isolation and characterization of osmotolerant bacteria from Thar Desert of Western Rajasthan (India)

open access: yesRevista de Biología Tropical, 2013
The Thar Desert harsher environment harbors a limited diversity of life forms due to extreme conditions like low moisture of sandy soils and high soil temperature.
Ramavtar Sharma   +4 more
doaj  

ESTIMATIVA DA TEMPERATURA DE GLOBO NEGRO A PARTIR DA TEMPERATURA DE BULBO SECO

open access: yesREVISTA ENGENHARIA NA AGRICULTURA - REVENG, 2011
Uma desvantagem para se fazer o diagnóstico bioclimático de uma determinada região é a inexistência de medições da temperatura de globo negro (TGN) nas estações meteorológicas distribuídas ao longo do país. Dessa forma, propõemse equações para estimar a temperatura de globo negro a partir da temperatura de bulbo seco (TBS), para animais criados ...
P.G. Abreu   +4 more
openaire   +2 more sources

The relationship between body mass and some weather variables in Blackcaps (Sylvia atricapilla) wintering in orange groves in south-eastern Spain [PDF]

open access: yes, 2000
Es va estudiar la massa corporal i l'acumulació de greix dels tallarols de casquet que hivernaven en uns tarongerars suburbans del sud-est d'Espanya en relació a diverses variables ambientals (temperatura, precipitació i fotoperíode) utilitzant una ...
Peiró, Ignacio G.
core  

Histología de branquias, hígado y riñón de juveniles del pez neotropical Colossoma macropomum (Characiformes, Characidae) expuesto a tres temperaturas

open access: yesRevista de Biología Tropical, 2013
Colossoma macropomum es uno de los peces tropicales de agua dulce con mayor éxito en el cultivo en aguas continentales tropicales. Se realizó una evaluación histológica de branquias, hígado y riñón de este pez expuesto a tres temperaturas (T18, T29 y ...
Luz-Marina Rojas   +3 more
doaj  

Concordancia entre temperatura rectal y termografía ocular en cobayos ( Cavia porcellus) anestesiados con isoflurano

open access: yesCiencia Veterinaria
La hipotermia es una de las complicaciones más frecuentemente encontradas durante la anestesia de pequeños mamíferos. Un alto metabolismo y una alta relación superficie corporal-peso hacen a los mamíferos de tamaño reducido, como los animales de ...
Esjaita, E
doaj   +1 more source

Microgeographic body size variation in a high elevation Andean anole (Anolis mariarum; Squamata, Polychrotidae)

open access: yesRevista de Biología Tropical, 2009
Intra-specific body size variation is common and often is assumed to be adaptive. Studies of body size variation among sites should include or consider environmental and ecological variables in their designs. Additionally, reciprocal transplant or common
Brian C Bock   +3 more
doaj  

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