雪崩
发表于 2025-3-23 11:38:02
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植物学
发表于 2025-3-23 15:47:42
Ecosystem Engineers: Beaver Ponds,sed the proportion of the landscape covered by open water by 2.15%. In addition, 16 of 21 permanent lakes on the Kabetogama Peninsula had lake outlet beaver dams. Collapse of the Shoepack Lake outlet dam in 2001 released an estimated 2.16 million kL of water and drained approximately 2/3 of the lake
OWL
发表于 2025-3-23 18:18:45
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AMITY
发表于 2025-3-24 00:52:01
Beaver Loggers: Beaver Herbivory Alters Forest Structure,ly decreased forest stem density and altered tree species composition, creating a “bathtub ring” of avoided conifers (.) around the pond that was confirmed by GIS analysis of a forest cover map of the Kabetogama Peninsula.
骇人
发表于 2025-3-24 04:30:21
Vegetation of Beaver Impoundments,function of canopy height. A model that combined the results of the greenhouse and light attenuation studies correctly predicted that . had a competitive advantage over . under high levels of nitrogen availability, whereas the reverse was true under low nitrogen, saturated conditions. Field observat
Relinquish
发表于 2025-3-24 09:39:38
The Biogeochemistry of Boreal Beaver Ponds,ine soils had higher total N, oxalate-extractable Fe, cation exchange capacity, and base cations (K, Ca, Mg) than did glaciofluvial soils. A split moving window was used along a beaver meadow transect to identify biogeochemical ecotones, the locations where sharp breaks occurred in anaerobiosis and
Foment
发表于 2025-3-24 14:37:52
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Coterminous
发表于 2025-3-24 17:24:37
Beavers as Engineers of Wildlife Habitat,rey nest almost exclusively on dead trees killed by beaver-flooded forests. Woodpeckers and other cavity nesters also benefit from dead trees in flooded areas. Beaver meadows are attractive to many passerine species that prefer shrubby or grassy habitats. Open water in ponds also provide excellent h
不成比例
发表于 2025-3-24 21:13:03
chemical effects of beaver browsing and construction. There is a critical need for ecologists and land managers to understand the potential magnitude, persistence, and ecosystem services of beaver landscape tra978-3-319-87104-2978-3-319-61533-2
constitute
发表于 2025-3-25 02:41:56
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