Author: William Burke CritchfieldPublisher:
ISBN:
Category : Lodgepole pine
Languages : en
Pages : 118
Book Description
Geographic Variation in Pinus Contorta
Author: William Burke CritchfieldPublisher:
ISBN:
Category : Lodgepole pine
Languages : en
Pages : 118
Book Description
Geographic Variation in the Germination Response to Temperature in Pinus Contorta Dougl
Author: David Walter BaerA Multivariate Study of Geographic Variation in the Cones of Pinus Contorta in Relation to Environmental Variables
Author: Kenneth Winston NewmanPublisher:
ISBN:
Category : Lodgepole pine
Languages : en
Pages : 0
Book Description
Geographic Variation in Pinus Contorta and Picea Mariana with Respect to Cone Size, Seeding Growth Rhythm and Cotyledons
Author: Mats HagnerComponents of Adaptive Variation in Pinus Contorta from the Inland Northwest
Author: G. E. RehfeldtPublisher:
ISBN:
Category : Evolution
Languages : en
Pages : 16
Book Description
Ecological Genetics of Pinus Contorta in the Upper Snake River Basin of Eastern Idaho and Wyoming
Author: G. E. RehfeldtPublisher:
ISBN:
Category : Forest ecology
Languages : en
Pages : 12
Book Description
Ecological Genetics of Pinus Contorta in the Lower Snake River Basin of Central Idaho
Author: G. E. RehfeldtPublisher:
ISBN:
Category : Forest ecology
Languages : en
Pages : 12
Book Description
Geographic Variation in Pinus Contorta
Author: William Burke CritchfieldPublisher:
ISBN:
Category : Botany
Languages : en
Pages : 136
Book Description
A Multivariate Study of Geographic Variation in the Cones of Pinus Contorta in Relation to Environmental Variables
Author: Kenneth Winston NewmanPublisher:
ISBN:
Category : Lodgepole pine
Languages : en
Pages : 544
Book Description
An Assessment of Pinus Contorta Seed Production in British Columbia
Author: Alicia LewPublisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
Lodgepole pine (Pinus contorta Douglas ex Louden) is the most widespread pine in North America and the single most abundant tree species in British Columbia (BC). Its vast distribution, diversity and economic value make it an important species for timber harvest and subsequent reforestation. Climate change raises serious concerns over the adaptability and effective management of BC's future forests. The majority of lodgepole pine seedlings requested for replanting are produced from seed obtained from wild stands, but the relationship between climate variation and the seed production of natural populations has yet to be assessed. The purpose of this study is to determine if variation in P. contorta seed yield is related to the climate of BC. Historical cone collection data were obtained from archived records of 1948 seedlots in 22 different natural stand seed planning zones (SPZs) of BC. Collections were made between 1963 and 2013 and seed yield (kg fresh seed/hL cone) was determined for each seedlot.