Sentences with phrase «tall shrubs cover»

Not exact matches

Moving the feeder to a location that makes it harder for cats to prey on the birds, such as away from shrubs, tall grass and other cover, is another simple step to foil cats on the hunt.

It is important for the western harvest mouse to have shrub or grass overstory with tall lush herbaceous cover to conceal its nests.

But as warming turns tundra shrubs, which can be covered by snow, into tall trees, researchers fear that less light will be bounced back creating a feedback loop that will worsen climate change.

Thawing permafrost also delivers organic - rich soils to lake bottoms, where decomposition in the absence of oxygen releases additional methane.116 Extensive wildfires also release carbon that contributes to climate warming.107, 117,118 The capacity of the Yukon River Basin in Alaska and adjacent Canada to store carbon has been substantially weakened since the 1960s by the combination of warming and thawing of permafrost and by increased wildfire.119 Expansion of tall shrubs and trees into tundra makes the surface darker and rougher, increasing absorption of the sun's energy and further contributing to warming.120 This warming is likely stronger than the potential cooling effects of increased carbon dioxide uptake associated with tree and shrub expansion.121 The shorter snow - covered seasons in Alaska further increase energy absorption by the land surface, an effect only slightly offset by the reduced energy absorption of highly reflective post-fire snow - covered landscapes.121 This spectrum of changes in Alaskan and other high - latitude terrestrial ecosystems jeopardizes efforts by society to use ecosystem carbon management to offset fossil fuel emissions.94, 95,96