Skip to Main Content
Constraints on tree seedling establishment in montane grasslands of the Valles Caldera, New MexicoAuthor(s): Jonathan D. Coop; Thomas J. Givnish
Source: Ecology. 89(4): 1101-1111.
Publication Series: Miscellaneous Publication
PDF: Download Publication (305 B)
DescriptionMontane and subalpine grasslands are prominent, but poorly understood, features of the Rocky Mountains. These communities frequently occur below reversed tree lines on valley floors, where nightly cold air accumulation is spatially coupled with fine soil texture. We used field experiments to assess the roles of minimum temperature, soil texture, grass competition, and ungulate browsing on the growth, photosynthetic performance, and survival of transplanted ponderosa pine (Pinus ponderosa) seedlings at 32 sites straddling such reversed tree lines in the Valles Caldera National Preserve (VCNP) of the Jemez Mountains, New Mexico (USA). Seedling growth increased most strongly with increasing nighttime minimum temperatures away from the valley bottoms; seedlings experiencing the coldest temperatures on the caldera floor exhibited stunted needles and often no measurable height growth.
- You may send email to firstname.lastname@example.org to request a hard copy of this publication.
- (Please specify exactly which publication you are requesting and your mailing address.)
- We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
- This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.
CitationCoop, Jonathan D., Givnish, Thomas J. 2008. Constraints on tree seedling establishment in montane grasslands of the Valles Caldera, New Mexico. Ecology. 89(4): 1101-1111.
Keywordsalpine tree line, conifer seedling, ecotone, frost damage, herbivory, high-montane meadow, inverted timberline, photoinhibition, Pinus ponderosa, Valles Caldera National Preserve, New Mexico
- Changes in stand structure and composition after restoration treatments in low elevation dry forests of northeastern Oregon.
- Pine regeneration following wildland fire
- Pine regeneration following wildland fire (P-53)
XML: View XML