Results 71 to 80 of about 1,722,837 (303)

Spatial and seasonal relationships between Pacific harbor seals (Phoca vitulina richardii) and their prey, at multiple scales [PDF]

open access: yes, 2009
Knowing where pinnipeds forage is vital to managing and protecting their populations, and for assessing potential interactions with fisheries. We assessed the spatial relationship between the seasonal distribution of Pacific harbor seals (Phoca vitulina
Allen, Sarah G.   +5 more
core  

Specific leaf area and leaf area index in developing stands of Fagus sylvatica L. and Picea abies Karst [PDF]

open access: yes, 2016
European beech (Fagus sylvatica L.) and Norway spruce (Picea abies Karst.) are two of the most ecologically and economically important forest tree species in Europe.
Bosela, Michal   +4 more
core   +1 more source

IMPDH inhibition enhances cytarabine efficacy in SAMHD1‐expressing leukaemia cells via guanine nucleotide depletion

open access: yesMolecular Oncology, EarlyView.
Cytarabine is a key therapy for acute myeloid leukaemia (AML), but its efficacy is limited by the dNTPase SAMHD1, which hydrolyses its active metabolite. Screening nucleotide biosynthesis inhibitors revealed that IMPDH inhibitors selectively sensitise SAMHD1‐proficient AML cells to cytarabine.
Miriam Yagüe‐Capilla   +9 more
wiley   +1 more source

Amphibians and Reptiles of the Veracruzan Biogeographic Province of Mexico: Patterns of Diversity, Similarity, and Conservation

open access: yesDiversity
The Veracruzan biogeographic province is a central part of the Gulf of Mexico slope and serves as an interface between the Neotropical Region, the Mexican Transition Zone, and the Nearctic Region. We provide an overview of amphibian and reptile diversity
Julio A. Lemos-Espinal   +3 more
doaj   +1 more source

The species–area relationship for a highly fragmented temperate river system

open access: yesEcosphere, 2021
Despite the importance of species–area relationships (SARs) to conservation, SARs in human‐fragmented rivers have received little attention. Our aim was to test for the presence and strength of SARs for littoral fish assemblages of an extensively dammed ...
Leon M. Carl   +3 more
doaj   +1 more source

SPECIES–AREA RELATIONSHIPS AND MARINE CONSERVATION [PDF]

open access: yesEcological Applications, 2003
The species–area relationship (SPAR) was the central paradigm for the emerging science of reserve design in the 1970s and early 1980s. The apparent consistency of the SPAR for natural areas suggested that it could be used to predict the number of species that would be maintained within the isolated confines of a nature reserve. This proposed use of the
openaire   +1 more source

DNA methylation and expression of MAPRE3 affect overall survival of early‐stage non‐small cell lung cancer patients

open access: yesMolecular Oncology, EarlyView.
Both cg12821679MAPRE3 methylation and MAPRE3 expression are significantly associated with overall survival (OS) of non‐small cell lung cancer. Meanwhile, MAPRE3 expression significantly modified the effect of smoking cessation on OS. Smoking cessation benefits OS merely for patients with high MAPRE3 expression.
Chao Chen   +14 more
wiley   +1 more source

Power-law scaling in intratumoral microbiota of colorectal cancer

open access: yesGut Pathogens
It has recently been proposed that the study of microbial dynamics in humans may gain insights from island biogeographical theory. Here, we test whether the diversity of the intratumoral microbiota of colorectal cancer tumors (CRC) follows a power law ...
Nikolas Dovrolis   +7 more
doaj   +1 more source

New data on spiders (Arachnida, Araneae) from the islands of the Strait of Sicily (Southern Italy) with taxonomic notes on Poecilochroa loricata Kritscher, 1996 (Araneae, Gnaphosidae) and eight new records for Europe

open access: yesThe European Zoological Journal
We present a checklist of spiders inhabiting the Pelagie archipelago and Pantelleria island, in the Strait of Sicily (Southern Italy). Data were compiled from both literature sources and unpublished materials stored in museum collections.
G. Nicolosi   +7 more
doaj   +1 more source

Human perception of the conservation and biodiversity state of forest remnants under different levels of urbanization

open access: yesActa Scientiarum: Biological Sciences, 2016
Human perception of local environmental biodiversity and conservation may provide another dimension to understanding the ecology of urban ecosystems. This perception can vary according to the environmental urbanization level and may contribute towards ...
Thallita Oliveira de Grande   +2 more
doaj   +1 more source

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