Sentence examples for tree limit from inspiring English sources
Net annual primary production (the total amount of productivity less that used by photosynthetic organisms in cellular respiration) in taiga ecosystems varies greatly, from slightly more than 2 metric tons per hectare near the polar tree limit to about 10 metric tons per hectare along its southern margin.
It is one part of a much larger game drive complex located at Rollins Pass, situated above modern tree limit and along the Continental Divide, at approximately 3600 m above sea level.
We conclude that except for an apparent upward movement of the upper tree limit, the direct human impacts on the environment are overriding the effects of climate change in the north Ethiopian highlands and that the northern Ethiopian highlands are currently greener than at any other time in the last 145 years.
Most species inhabit bushy areas, bamboo or forest undergrowth in mountains and foothills, although a few Cettia breed to above the tree limit or close to sea-level.
In the breeding season, it inhabits both coniferous, mixed and broad-leaved forest, and also bushes (e.g. Salix) on the tundra and above the tree limit; in Japan it breeds in mountains up to 2500 m [ 45- 47, 52].
To confirm this result, a small phylogenetic tree limited to FeSODs of group e was constructed (Fig. 6b).
Distribution limited to Burkholderia genomes, see Fig. 4. Translated amino acid (AA) sequences from Bcen-J2315 σ70 coding sequences were positioned among the main eubacterial σ70 lineages, using a decisional σ70 Neighbor-Joining (NJ) phylogenetic tree limited to key sequences (Fig. 1).
In some cases at high-latitude or high-elevation tree limits, advanced colonization may have already created islands of stunted "krumholtz" individuals that can develop into erect tree form and become reproductively capable with climate warming, e.g., black spruce (Picea mariana) (Laberge et al. 2000; Gamache 2005).
Trees limit soil erosion; some "fix" the soil with nitrogen.Elsewhere, though, the losses are huge.
Forest primates do not need to be bipedal, the argument continues, because the trees limit their vision anyway.As "Just So" stories go, it is perfectly plausible.
But these pores are also the pathways for carbon dioxide to come in, so by closing them the trees limit how much sugar they can make.
