circular patches of perennialgrasseswitha barren center that grow in the desert on the southwest coast of Africa. chinese.eurekalert.org chinese.eurekalert.org 一项新的研究揭示了仙女圈的起源,这是一种在非洲西南海岸沙漠中生长的圆形多年生草本斑块,该斑块有一个不长草的中心。
Native Grasses Improving Mississippi FarmCoblentz, Bonnie
The native grasses and weeds,the scattered patches of gorse,contended with one another for the possession of the scanty surface soil; they fought against the droughts of summer,the frosts of winter,and the furious gales which swept,with unbroken force,now from the Atlantic,and now from the ...
In contrast, patches dominated by Festuca arundinacea repelled sown native grasses, regardless of disturbance treatment. Seed addition increased total plant richness in both disturbed and intact patches but did not affect total aboveground biomass. Our results show that recovery of native grasses ...
Whereas past rehabilitation efforts in Big sagebrush (Artemisia tridentata) steppes removed the shrub and added introduced forage grasses to successfully shift communities from shrublands to grasslands, current consensus is that native species should be included in restoration projects and that retention ...
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Nutritional characteristics of native grasses used in a pasture system Journal of Animal ScienceLoyd, A.Smith, S.Sampson, J. D.Spain, J. N.
Establishing Native Grasses in a Big Sagebrush–Dominated Site: An Intermediate Restoration Step Many semiarid rangelands in the Great Basin, U.S.A., are shifting dominance to woody species as a consequence of land degradation including intense livesto... E Huber‐Sannwald,DA Pyke - 《Restoratio...
While sensitivity analyses showed that survival had the biggest effect on population growth rates in all habitats, results of a Life Table Response Experiment (LTRE) revealed that slower individual growth rates in patches of invasive grasses contributed the most to the observed reduction in population...