Results 21 to 30 of about 10,740,820 (292)
Global-Scale Patterns of Forest Fragmentation
Ecology and Society, 2000 We report an analysis of forest fragmentation based on 1-km resolution land-cover maps for the globe. Measurements in analysis windows from 81 km 2 (9 x 9 pixels, "small" scale) to 59,049 km 2 (243 x 243 pixels, "large" scale) were used to characterize ...
Kurt Riitters +4 more
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Ecosphere, 2021 Human land use is fragmenting forests around the globe, increasing the edge density in forest landscapes. More frequent natural disturbances also increase the presence of edges in forest ecosystems.
Franziska Pöpperl, Rupert Seidl
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Research on the edge effect for variable voltage RCM test of concrete
Shuili Shuiyun Gongcheng Xuebao, 2021 The edge effect, resulting from possible leakage in RCM test, and causing the chloride diffusion depth in the edge part of concrete specimen greater than that in the central part, was investigated systematically to analyze its influence on the chloride ...
CHEN Junwu +3 more
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Ecosphere, 2016 Restoration of glades over the past 30 years, involving removal of woody cover and re‐establishment of herbaceous plant communities, has created an archipelago of habitat patches varying in age, size, and isolation. Within these glades, habitat varies in
Alice G. Tipton +2 more
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Photonics, 2023 A thorough integral formulation describing the second harmonic generation under tightly focused linearly and radially polarized beams for an arbitrary distribution of the nonlinear susceptibility over the surface of isotropic media was presented.
Sergey Scherbak +3 more
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The Occurence of Ecological Traps in Bird Populations: Is our Knowledge Sufficient? A Review
Journal of Landscape Ecology, 2012 Anthropogenic changes in a landscape create new cues for birds, which must permanently adapt to these. If landscape changes occur too quickly, individuals have insufficient time to develop adequate reactions.
Suvorov Petr, Svobodová Jana
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Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2023 The possibility of using the universal software ANSYS to study the concentration of interlaminar stresses near the free edges of laminated composites in a two-dimensional finite element formulation is considered.
Yu. V. Skvortsov, M. A. Evtushenko
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Relation entre la composition floristique et des indicateurs de la fragmentation du paysage dans une région de transition forêt-savane ivoirienne [PDF]
Biotechnologie, Agronomie, Société et Environnement, 2010 Relation between floristic composition and landscape fragmentation indicators in a transition forest-savanna area of Côte d'Ivoire. Forest landscape fragmentation is known to be a significant factor of forest degradation.
Barima, YSS. +3 more
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Spatial Patterns of Aflatoxin Levels in Relation to Ear-Feeding Insect Damage in Pre-Harvest Corn
Toxins, 2011 Key impediments to increased corn yield and quality in the southeastern US coastal plain region are damage by ear-feeding insects and aflatoxin contamination caused by infection of Aspergillus flavus. Key ear-feeding insects are corn earworm, Helicoverpa
Alisa Huffaker +9 more
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The Effect of Adding Randomly Weighted Edges [PDF]
SIAM Journal on Discrete Mathematics, 2021 We consider the following question. We have a dense regular graph $G$ with degree $αn$, where $α>0$ is a constant. We add $m=o(n^2)$ random edges. The edges of the augmented graph $G(m)$ are given independent edge weights $X(e)$, $e\in E(G(m))$. We estimate the minimum weight of some specified combinatorial structures. We show that in certain cases,
openaire +4 more sources