Results 101 to 110 of about 189 (130)
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Forest Ecology and Management, 2018
Abstract Higher hardwood content in stands results in lower defoliation of overstory balsam fir (Abies balsamea (L.) Mill.) caused by spruce budworm (Choristoneura fumiferana Clem.). To determine whether higher overstory hardwood content also reduced defoliation and mortality of balsam fir regeneration of varying height classes during a spruce ...
David Maclean +2 more
exaly +2 more sources
Abstract Higher hardwood content in stands results in lower defoliation of overstory balsam fir (Abies balsamea (L.) Mill.) caused by spruce budworm (Choristoneura fumiferana Clem.). To determine whether higher overstory hardwood content also reduced defoliation and mortality of balsam fir regeneration of varying height classes during a spruce ...
David Maclean +2 more
exaly +2 more sources
Journal of Vegetation Science, 1995
Abstract. Patterns of understory colonization by native and naturalized trees and shrubs were evaluated in 4.5‐year‐old plantations of three exotic tree species, Casuarina equisetifolia, Eucalyptus robusta, and Leucaena leucocephala, on a degraded coastal grassland site with reference to overstory composition and understory environmental conditions ...
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Abstract. Patterns of understory colonization by native and naturalized trees and shrubs were evaluated in 4.5‐year‐old plantations of three exotic tree species, Casuarina equisetifolia, Eucalyptus robusta, and Leucaena leucocephala, on a degraded coastal grassland site with reference to overstory composition and understory environmental conditions ...
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Relation Between Overstory Composition and Subsequent Defoliation by the Gypsy Moth
Journal of Forestry, 1974Abstract The percentage of favored food in the over-story was closely related to the subsequent level of defoliation by the gypsy moth. Thus the silvicultural recommendations that are based on the "favored food" theory may be valid with respect to abating the damage done by this insect to the forest.
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Land Degradation & Development, 2020
AbstractReforestation is a feasible option for the eventual restoration of biodiversity and ecosystem services on deforested oil‐sands mining sites. The associations between plant diversity and productivity spanning the different strata of restoration forests, in conjunction with specific factors that may impact these relationships, remain uncertain ...
Wenya Xiao, Chen Chen, Han Y. H. Chen
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AbstractReforestation is a feasible option for the eventual restoration of biodiversity and ecosystem services on deforested oil‐sands mining sites. The associations between plant diversity and productivity spanning the different strata of restoration forests, in conjunction with specific factors that may impact these relationships, remain uncertain ...
Wenya Xiao, Chen Chen, Han Y. H. Chen
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Journal of Forest Research, 2011
Wildfire can create a mosaic of impacts of varying severity across the landscape. Although widely recognized, this feature and its causes are little understood or studied in ecology. We studied a 1,200-ha wildfire in the southern boreal forest of the Boundary Waters Canoe Area Wilderness (BWCAW) in northeastern Minnesota, USA, using 275 ground plots ...
Carlson, Daren J. +2 more
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Wildfire can create a mosaic of impacts of varying severity across the landscape. Although widely recognized, this feature and its causes are little understood or studied in ecology. We studied a 1,200-ha wildfire in the southern boreal forest of the Boundary Waters Canoe Area Wilderness (BWCAW) in northeastern Minnesota, USA, using 275 ground plots ...
Carlson, Daren J. +2 more
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Canadian Journal of Forest Research, 1999
Disturbance patterns and species composition in the seedling and canopy layers were examined across the range of post-hurricane damage in an old-growth bottomland hardwood forest. Canopy coverage, tip-up number and area, snags, and coarse woody debris were quantified in plots along randomly oriented transects established in bottomland hardwood stands ...
Loretta L Battaglia +2 more
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Disturbance patterns and species composition in the seedling and canopy layers were examined across the range of post-hurricane damage in an old-growth bottomland hardwood forest. Canopy coverage, tip-up number and area, snags, and coarse woody debris were quantified in plots along randomly oriented transects established in bottomland hardwood stands ...
Loretta L Battaglia +2 more
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2010
Remeasurements over a 70-year period (1931-1932 to 2002-2003) on 404 cruise plots on the Bartlett Experimental Forest in New Hampshire provided a record of landscape-level changes in the composition of overstory species over time by elevation and d.b.h. (diameter at breast height) classes. Typically, early to midsuccessional species declined while late
William B. Leak, Mariko. Yamasaki
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Remeasurements over a 70-year period (1931-1932 to 2002-2003) on 404 cruise plots on the Bartlett Experimental Forest in New Hampshire provided a record of landscape-level changes in the composition of overstory species over time by elevation and d.b.h. (diameter at breast height) classes. Typically, early to midsuccessional species declined while late
William B. Leak, Mariko. Yamasaki
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Forest Ecology and Management, 2012
In the southeastern USA, land use history, forest management and natural geomorphic features have created heterogeneous fuel loads. This apparent temporal and spatial variation in fuel loads make it difficult to reliably assess potential fire behavior from remotely sensed canopy variables to determine risk and to prescribe treatments.
Bernard R. Parresol +2 more
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In the southeastern USA, land use history, forest management and natural geomorphic features have created heterogeneous fuel loads. This apparent temporal and spatial variation in fuel loads make it difficult to reliably assess potential fire behavior from remotely sensed canopy variables to determine risk and to prescribe treatments.
Bernard R. Parresol +2 more
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Ecosystems, 2018
Wildfire is the primary abiotic disturbance in the boreal forest, and its long-term absence can lead to large changes in ecosystem properties, including the availability and cycling of nutrients. These effects are, however, often confounded with the effects of successional changes in vegetation toward nutrient-conservative species.
Cavard, Xavier +4 more
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Wildfire is the primary abiotic disturbance in the boreal forest, and its long-term absence can lead to large changes in ecosystem properties, including the availability and cycling of nutrients. These effects are, however, often confounded with the effects of successional changes in vegetation toward nutrient-conservative species.
Cavard, Xavier +4 more
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Castanea, 2013
ABSTRACT A 1.21-ha plot was established in a mature pine–hardwood forest (Hyatt's Woods) along a low stream terrace in southeastern Arkansas. Compositionally, this stand had considerable arboreal richness, with 26 different tree species ≥9 cm in diameter.
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ABSTRACT A 1.21-ha plot was established in a mature pine–hardwood forest (Hyatt's Woods) along a low stream terrace in southeastern Arkansas. Compositionally, this stand had considerable arboreal richness, with 26 different tree species ≥9 cm in diameter.
openaire +1 more source