منابع مشابه
British Columbia.
Affum as p a r t of a Commission and t h e B r i t i s h Columbia Round Table o n t h e Environment and t h e Economy. I t is p a r t of a series of background reports d e a l i n g with i s s u e s which Round T a b l e committees considered i m p o r t a n t t o t h e development of a sustainable development strategy i n B r i t i s h Columbia. and i s intended t o provide information which w...
متن کاملEffects of Cattle Grazing on Birds in Interior Douglas-fir (Pseudotsuga menziesii) Forests of British Columbia
Livestock grazing is a dominant land use across North America and although the effects of grazing on birds have been studied in grassland, shrubland, and riparian habitats, studies of the effects in forests are rare. We investigated the effects of cattle grazing in forests on vegetation, the relationships between vegetation characteristics and the abundance of foraging and nesting guilds of bir...
متن کاملThe Northern Inland Temperate Rainforest of British Columbia: Old Forests With a Young History?
The inland temperate rainforest (ITR) in east-central British Columbia is marked by superlative examples of old-growth cedarhemlock forest. How long has this old-growth forest structure been a major component of this landscape? What is the biological and conservation significance of the history of this forest type? Here we present paleoecological evidence from a study in the Robson Valley of th...
متن کاملDiatreme Breccias in British Columbia*
INTRODUCTION Over the last decade considerable interest has been expressed in diarreme breccias ofpc~ssible kimberlitic affinity in British Columbia (Fipke, 1983; Fipk.: and Capell, 1983; Grieve, 1981 and 1982; Roberts, et a/., 1980; Woodcock, 1978; etc.). This interest has been heightened by the reported recent discovery of diamonds in pipes north of Golden (Durnmet, rr a / . . 1985; Northcote...
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ژورنال
عنوان ژورنال: Botanical Gazette
سال: 1921
ISSN: 0006-8071
DOI: 10.1086/332954