Results 91 to 100 of about 2,034,129 (243)

Factors affecting woody plant species diversity of fragmented seasonally dry oak forests in the Mixteca Alta, Oaxaca, Mexico

open access: yesRevista Mexicana de Biodiversidad, 2013
We explored the relationship between fragment area, topographic heterogeneity, and disturbance intensitywith tree and shrub species diversity in seasonally dry oak forest remnants in the Mixteca Alta, Oaxaca, Mexico.
María de los Remedios Aguilar-Santelises   +1 more
doaj   +1 more source

Appendix D. Description of the semi-qualitative disturbance assessment used to quantify intensity of human activities and grazing in the study remnants.

open access: yes, 2016
Description of the semi-qualitative disturbance assessment used to quantify intensity of human activities and grazing in the study ...
Cristina E. Ramalho (2927997)   +3 more
core   +1 more source

The C‐terminal domain of yeast Arginyltransferase1 is essential for its catalytic activity

open access: yesFEBS Open Bio, EarlyView.
Arginyltransferase 1 (Ate1), a eukaryotic enzyme, catalyses arginylation, transferring arginine from tRNA‐Arg to the amino terminus of the target protein. Overexpression of Ate1 in yeast is lethal and is dependent on arginylation. This study elucidates how mutations in the cofactor‐binding and active site of Ate1 and truncation of its structural ...
Vikas Kumar Yadav   +4 more
wiley   +1 more source

Understanding Disturbance Regimes From Patterns in Modeled Forest Biomass

open access: yesJournal of Advances in Modeling Earth Systems
Natural and anthropogenic disturbances are important drivers of tree mortality, shaping the structure, composition, and biomass distribution of forest ecosystems.
Siyuan Wang   +5 more
doaj   +1 more source

Contribution of seagrass plants to CO2 capture in a tropical seagrass meadow under experimental disturbance.

open access: yesPLoS ONE, 2017
Coastal vegetative habitats are known to be highly productive environments with a high ability to capture and store carbon. During disturbance this important function could be compromised as plant photosynthetic capacity, biomass, and/or growth are ...
Diana Deyanova   +6 more
doaj   +1 more source

The long-term consequences of short-term responses to disturbance: Experiences from whalewatching impact assessment [PDF]

open access: yes, 2007
Studies often use behavioral responses to detect the impact of given disturbances on animals. However, the observation of these short-term responses can often lead to contradicting results.
Bejder, Lars   +3 more
core   +1 more source

Using fluorescence fluctuation spectroscopy to quantify molecular dynamics within cells

open access: yesFEBS Open Bio, EarlyView.
Microscopy techniques like fluorescence correlation spectroscopy (FCS) and number and brightness analysis (N&B) allow to quantify concentrations, diffusion rates, and oligomerization of fluorescently labeled molecules in the living cell. In this protocol the principles of how to set up these types of experiments are described including calibration ...
Mark A. Hink
wiley   +1 more source

Quantifying land use and disturbance intensity in forestry, based on the self-thinning relationship

open access: yes, 2011
International audienceForest management and disturbances affect forest soils and biomass carbon stocks, emissions to the atmosphere, and radiative forcing.
Schulze, E.   +12 more
core   +3 more sources

Spatial and temporal dynamics of a bark beetle outbreak in the Eastern European Alps

open access: yesEcosphere
The Alps are currently considered among the ecoregions with the highest magnitude of average bark beetle disturbance per year in Europe. We present a disturbance characterization based on a unique database including more than 50,000 records of ground ...
Anna Candotti   +3 more
doaj   +1 more source

Chronobiology of Cancer: How Aging Fuels Oncogenesis at the Molecular Level

open access: yesAging and Cancer, EarlyView.
This graphical abstract illustrates the key biological pathways linking aging with cancer development and progression. In the upper left, cumulative exposure to ultraviolet radiation, toxins, and reactive oxygen species (ROS) causes DNA damage and genomic instability, whereas age‐related decline in repair mechanisms, such as ATM/ATR, BER, and NER ...
Anu Singh, Aroonima Misra, Sufian Zaheer
wiley   +1 more source

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