Appendix B: Habitat Profiles New Hampshire Wildlife Action PlanB-82 HABITAT PROFILE New Hampshire Wildlife Action Plan B-83 Associated Species: Spruce Grouse, Bay-Breast- ed Warbler, Bicknell’s Thrush, American Marten, Canadian Lynx, Northern Bog Lemming
Harsh climatic extremes and highly erosive soils play a significant role in determining the structure and species composition of high elevation spruce fir forests found in New Hampshire. Increased rainfall (more than 6 in per 1000 ft in elevation), snow cover (increase in weeks of snow cover per yea...
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Online Access: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.615.2182 http://extension.unh.edu/resources/files/resource001137_rep1828.pdf |
Summary: | Harsh climatic extremes and highly erosive soils play a significant role in determining the structure and species composition of high elevation spruce fir forests found in New Hampshire. Increased rainfall (more than 6 in per 1000 ft in elevation), snow cover (increase in weeks of snow cover per year), relative humidity (resulting in prolonged cloud cover) and wind movement (up to 25 % more at 3,800 ft), cou-pled with decreased mean air temperature (decrease in number of frost free days) and shallow, nutrient poor soils result in stands predominated by conifer-ous tree species. The coniferous stands found at high elevations experience drastically slowed and lim-ited growth due to the truncated growing season and harsh climatic extremes (Vogelmann et al. 1969) and |
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