Vascular and non-vascular plant community response to silvicultural practices and resultant microtopography creation in a forested wetland

Wetlands ◽  
2007 ◽  
Vol 27 (1) ◽  
pp. 68-79 ◽  
Author(s):  
Heidi M. Anderson ◽  
Margaret R. Gale ◽  
Martin F. Jurgensen ◽  
Carl C. Trettin
Keyword(s):  
Plant Community ◽  
Vascular Plant ◽  
Community Response ◽  
Forested Wetland ◽  
Silvicultural Practices

scholarly journals Manual Cutting of Sitka Alder-Dominated Plant Communities: Effects on Conifer Growth and Plant Community Structure

2004 ◽  
Vol 19 (4) ◽  
pp. 277-287 ◽  
Author(s):  
Suzanne W. Simard ◽  
Jean L. Heineman ◽  
Shannon M. Hagerman ◽  
W. Jean Mather ◽  
Donald L. Sachs
Keyword(s):  
Plant Community ◽  
Lodgepole Pine ◽  
Vascular Plant ◽  
Structural Diversity ◽  
Community Diversity ◽  
Limiting Factors ◽  
Growth And Survival ◽  
Montane Vegetation ◽  
Vegetation Complexes ◽  
Hybrid Spruce

Abstract Five-year growth and survival responses of lodgepole pine and hybrid spruce to manual cutting of Sitka alder were studied in two montane vegetation complexes in interior British Columbia. The effects of brushing on plant community diversity and structure also were examined. Alder cover and height were reduced throughout the 5-year posttreatment measurement period, but this had no effect on growth or survival of either 5- to 7-year-old lodgepole pine growing in the Dry Alder complex or 4- to 7-year-old hybrid spruce in the Wet Alder complex. Moderate alder cover, which was characteristic at these sites, did not appear to inhibit diameter growth of lodgepole pine or spruce. This was supported by competition thresholds for conifer diameter of 30 and 37% alder cover in the Dry Alder and Wet Alder complexes, respectively. In neither complex did manual cutting result in any changes in species richness, species diversity, or structural diversity of the vascular plant community. The results of this study suggest that brushing of Sitka alder is unnecessary for release of healthy lodgepole pine growing on mesic sites in the Dry Alder complex and is ineffective at alleviating growth limiting factors to spruce on Wet Alder sites. West. J. Appl. For. 19(4):277–287.

scholarly journals Boreal Plant Community Diversity 10 Years After Glyphosate Treatment

2000 ◽  
Vol 15 (1) ◽  
pp. 15-26 ◽  
Author(s):  
Jacob O. Boateng ◽  
Sybille Haeussler ◽  
Lorne Bedford
Keyword(s):  
Plant Community ◽  
Picea Glauca ◽  
Vascular Plant ◽  
Structural Diversity ◽  
Community Diversity ◽  
Deciduous Trees ◽  
Herb Layer ◽  
Single Application ◽  
Tall Shrub ◽  
Trees And Shrubs

Abstract This study examined 10 and 12 yr posttreatment effects of broadcast and spot application of glyphosate for site preparation on structural diversity, species richness and diversity, and crop tree growth in two boreal forest plant communities in northeastern British Columbia. At the broadcast-sprayed site, reduced dominance of the tall shrub layer was associated with increased structural diversity and increased richness of the herb layer 10 yr after treatment. At the spot-sprayed site, no significant differences in plant community structure or diversity could be detected after 12 yr. At both sites, glyphosate application increased the growth of planted white spruce (Picea glauca) seedlings without eliminating deciduous trees and shrubs. The results indicate that a single application of glyphosate to prepare sites for reforestation can improve crop tree performance without adversely affecting vascular plant community diversity. West. J. Appl. For. 15(1):15-26.

Plant community composition patterns in relation to microtopography and distance to water bodies in a tropical forested wetland

2020 ◽  
Vol 167 ◽  
pp. 103295 ◽  
Author(s):  
Jonathan V. Solórzano ◽  
J. Alberto Gallardo-Cruz ◽  
Candelario Peralta-Carreta ◽  
Rubén Martínez-Camilo ◽  
Ana Fernández-Montes de Oca
Keyword(s):  
Community Composition ◽  
Plant Community ◽  
Water Bodies ◽  
Forested Wetland ◽  
Plant Community Composition

Plant Community Response to Integrated Management of Meadow Hawkweed (Hieracium caespitosum) in the Pacific Northwest

2010 ◽  
Vol 3 (3) ◽  
pp. 268-275 ◽  
Author(s):  
John M. Wallace ◽  
Timothy S. Prather ◽  
Linda M. Wilson
Keyword(s):  
Pacific Northwest ◽  
Plant Community ◽  
Integrated Management ◽  
Community Response ◽  
Perennial Grasses ◽  
Competitive Balance ◽  
The Pacific ◽  
K Fertilizer ◽  
Mountain Meadows ◽  
Meadow Hawkweed

AbstractMeadow hawkweed is an invasive, perennial forb of upland forest openings, mountain meadows, permanent pastures, and abandoned farmlands in the Pacific Northwest. The objective of this study was to measure the plant community response, following meadow hawkweed control using selective herbicides and a single application of N–P–K fertilizer, across three levels of meadow hawkweed infestation in cleared forestlands that had been converted to pasture in northern Idaho. Clopyralid was applied to meadow hawkweed rosettes at a rate of 0.59l kg ae ha−1 (0.528 lb ac−1), and fertilizer (23–5–5, 1% Fe, 14% S) was broadcast following herbicide applications at two rates, 44 and 88 kg N ha−1. Foliar cover of meadow hawkweed, Idaho fescue, and other perennial grasses was measured in microplots at three levels of initial meadow hawkweed cover; < 25%, 40 to 60%, and > 75%. Clopyralid treatments resulted in excellent meadow hawkweed control 3 mo after treatment (MAT). Clopyralid alone appeared to shift the competitive balance in favor of perennial grasses, which increased 7, 44, and 65% above pretreatment levels in LOW, MED, and HIGH hawkweed cover plots, respectively, across fertilizer treatments. Meadow hawkweed cover remained < 5% in clopyralid plots at 52 MAT. Fertilizer effects were confined to interactions between Idaho fescue and other perennial grasses.

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