scholarly journals Estimating Aboveground Tree Biomass for Beetle-Killed Lodgepole Pine in the Rocky Mountains of Northern Colorado

2017 ◽  
Vol 63 (4) ◽  
pp. 413-419 ◽  
Author(s):  
Woodam Chung ◽  
Paul Evangelista ◽  
Nathaniel Anderson ◽  
Anthony Vorster ◽  
Hee Han ◽  
...  
2021 ◽  
pp. 1-16
Author(s):  
Frances Ackerman ◽  
David Goldblum

Climate change may have spatially variable impacts on growth of trees in topographically diverse environments, making generalizing across broad spatial and temporal extents inappropriate. Therefore, topography must be considered when analyzing growth response to climate. We address these topo-climatic relationships in the Canadian Rocky Mountains, focusing on lodgepole pine (Pinus contorta Douglas ex Louden) and interior spruce (Picea glauca (Moench) Voss × Picea engelmannii hybrid Parry) growth response to climate, Palmer drought severity index (PDSI), aspect, and slope angle. Climate variables correlate with older lodgepole pine growth on south- and west-facing slopes, including previous August temperature, winter and spring precipitation, and previous late-summer and current spring PDSI, but younger lodgepole pine were generally less sensitive to climate. Climate variables correlate with interior spruce growth on all slope aspects, with winter temperature and PDSI important for young and old individuals. Numerous monthly growth–climate correlations are not temporally stable, with shifts over the past century, and response differs by slope aspect and angle. Both species are likely to be negatively affected by moisture stress in the future in some, but not all, topographic environments. Results suggest species-specific and site-specific spatiotemporally diverse climate–growth responses, indicating that climate change is likely to have spatially variable impacts on radial growth response in mountainous environments.


2014 ◽  
Vol 29 (7) ◽  
pp. 1187-1200 ◽  
Author(s):  
Xu Luo ◽  
Hong S. He ◽  
Yu Liang ◽  
Wen J. Wang ◽  
Zhiwei Wu ◽  
...  

2008 ◽  
Vol 32 (3) ◽  
pp. 267-276 ◽  
Author(s):  
Eun-Jae Shin ◽  
Alexander Lauve ◽  
Maxwell Carey ◽  
Eric Bukovsky ◽  
James F. Ranville ◽  
...  

Genome ◽  
1998 ◽  
Vol 41 (6) ◽  
pp. 797-805 ◽  
Author(s):  
Mark Hicks ◽  
Denise Adams ◽  
Sandra O'Keefe ◽  
Ellen Macdonald ◽  
Ross Hodgetts

Two types of polymorphic DNA markers suitable for genome analyses, population genetic and ecological studies on lodgepole pine (Pinus contorta var. latifolia) have been developed. We detected 52 decameric oligonucleotides, within a set of 200, that could be used to amplify the pine DNA. From these, 4 that allowed unambiguous amplification of 10 random polymorphic (RAPD) loci, have been chosen for use in this species. Five polymorphic microsatellite loci were found following the screening of a genomic library and all contained the AGn motif. Such loci were present at a frequency of 1 in every 345 kb pairs of genomic DNA. Three loci were comprised of a simple dinucleotide repeat, one locus was of the form TAn - GAm and one was ATn - AGm. The number of alleles at the 5 microsatellite loci ranged from 3 to 8 in a sample of 6 trees from the eastern foothills of the Rocky Mountains in Alberta and the alleles at all loci exhibited Mendelian segregation.Key words: DNA polymorphism, RAPD, microsatellite, SSR, Pinus contorta var. latifolia.


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