聚乙二醇模拟水分胁迫对沙地樟子松种子萌发影响研究

朱教君, 李智辉, 康宏樟, 范业展 - 应用生态学报, 2005 - cjae.net
以引种区沙地樟子松种子为材料, 观测了聚乙二醇(PEG) 模拟水分胁迫对沙地樟子松种子萌发的
影响. 结果表明, 不同浓度PEG 处理胁迫对种子的萌发均有一定的延缓作用; 种子的发芽率 …

Effects of drought stresses induced by polyethylene glycol on germination of Pinus sylvestris var. mongolica seeds from natural and plantation forests on sandy land

J Zhu, H Kang, H Tan, M Xu - Journal of Forest research, 2006 - Springer
Abstract Effects of drought stresses induced by polyethylene glycol (PEG)(0.0%, 10%, 15%,
20%, 25%, and 30%, with four replicates) on germination of Mongolian pine (Pinus sylvestris …

Ecological effects of changes in fire regimes in Pinus ponderosa ecosystems in the Colorado Front Range

RL Sherriff, TT Veblen - Journal of Vegetation Science, 2006 - Wiley Online Library
Question: What is the relative importance of low‐and high‐severity fires in shaping forest
structure across the range of Pinus ponderosa in northern Colorado? Location: Colorado …

Patch structure, fire-scar formation, and tree regeneration in a large mixed-severity fire in the South Dakota Black Hills, USA

LB Lentile, FW Smith… - Canadian Journal of …, 2005 - cdnsciencepub.com
We compared patch structure, fire-scar formation, and seedling regeneration in patches of
low, moderate, and high burn severity following the large (~ 34 000 ha) Jasper fire of 2000 …

[图书][B] Restoration of boreal and temperate forests

JA Stanturf - 2004 - taylorfrancis.com
While the commitment to protect and restore forest ecosystems has become a policy goal in
many countries since the Rio Conference, there is still no general consensus on what …

A Comprehensive Guide to Fuels Treatment Fractices for Ponderosa Pine in the Black Hills, Colorado Front Range, and Southwest

ME Hunter, WD Shepperd, LB Lentile, JE Lundquist… - 2007 - digitalcommons.unl.edu
The objective of this paper is to present recommendations for fuels treatments in ponderosa
pine forests in the Southwest, Colorado Front Range, and Black Hills of South Dakota. We …

Landscape restoration of a forest with a historically mixed-severity fire regime: What was the historical landscape pattern of forest and openings?

Y Dickinson - Forest Ecology and Management, 2014 - Elsevier
Forest management of dry forests in the western US that historically experienced mixed-
severity fire regimes is increasingly focused on landscape-scale restoration. However, this …

[HTML][HTML] The role of fire in the regeneration of conifer forests

JE Sáenz-Ceja, DR Pérez-Salicrup - Revista Chapingo serie ciencias …, 2019 - scielo.org.mx
Fire is a forest disturbance agent whose effects vary according to the natural fire regime,
under which the species that inhabit it evolved. The aim of this paper is to present an …

Thinning and chipping small-diameter ponderosa pine changes understory plant communities on the Colorado Front Range

B Wolk, ME Rocca - Forest Ecology and Management, 2009 - Elsevier
Novel fire mitigation treatments that chip harvested biomass on site are increasingly
prescribed to reduce the density of small-diameter trees, yet the ecological effects of these …

Changes in forest understory associated with Juniperus encroachment in Oklahoma, USA

P Van Els, RE Will, MW Palmer… - Applied Vegetation …, 2010 - Wiley Online Library
Question: Does understory vegetation cover and richness decline along a gradient of
increasing Juniperus virginiana midstory canopy cover and is that decline best correlated …