Foraging Ecology and Use of Drumming Trees by Three-Toed Woodpeckers

Imbeau, Louis; Desrochers, André

doi:10.2307/3802888

Cited by 86 publications

(77 citation statements)

References 19 publications

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“…All live trees and snags greater than 5.0 cm in dbh were identified to species and the dbh measured; snags were assigned to one of five decomposition classes [28]. In the northeast 100 m 2 quarter of each plot, all small saplings between 2.0 and 4.99 cm dbh were also identified to species, tagged and measured (dbh).…”

Section: Field Methodsmentioning

confidence: 99%

Ecosystem Responses to Partial Harvesting in Eastern Boreal Mixedwood Stands

Brais

Work

Robert

et al. 2013

Forests

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Partial harvesting has been proposed as a key aspect to implementing ecosystem management in the Canadian boreal forest. We report on a replicated experiment located in boreal mixedwoods of Northwestern Quebec. In the winter of 2000-2001, two partial harvesting treatments, one using a dispersed pattern, and a second, which created a (400 m 2 ) gap pattern, were applied to a 90-year-old aspen-dominated mixed stand. The design also included a clear cut and a control. Over the course of the following eight years, live tree, coarse woody debris, regeneration and ground beetles were inventoried at variable intervals. Our results indicate that all harvesting treatments created conditions OPEN ACCESSForests 2013, 4 365 favorable to balsam fir (Abies balsamea) sapling growth and trembling aspen (Populus tremuloides) sapling recruitment. However, balsam fir and trembling aspen regeneration and ground beetles response to gap cuts were closer to patterns observed in clear cuts than in dispersed harvesting. The underlying reasons for these differing patterns can be linked to factors associated with the contrasting light regimes created by the two partial harvesting treatments. The study confirms that partially harvesting is an ecologically sound approach in boreal mixedwoods and could contribute to maintaining the distribution of stand ages at the landscape level.

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Section: Field Methodsmentioning

confidence: 99%

Ecosystem Responses to Partial Harvesting in Eastern Boreal Mixedwood Stands

Brais

Work

Robert

et al. 2013

Forests

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“…As C. obrieni is highly specialized, it is possible that its population size is strongly correlated with the sizes and ages of G. paniculata stands within its home range, which could make this species more vulnerable to habitat fragmentation and environmental hazards. Such vulnerability has also been found in other species of woodpecker associated with specific types of vegetation (Imbeau and Desrochers 2002). Socolar et al (2013) tracked the disappearance of several bamboo-specialist birds after large die-offs associated with mass flowerings of clonal patches of Guadua in the Peruvian Amazon forest.…”

Section: Specialization and Threatsmentioning

confidence: 99%

Birds of an Open Vegetation Enclave in Southern Brazilian Amazonia

Aleixo¹,

Poletto²

2007

The Wilson Journal of Ornithology

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“…The use of alternative harvesting systems that leave behind standing wood (either as groups of live trees or as individuals) needs to be better supported by regulations in order to maintain suitable foraging and nesting sites for primary excavators and other cavity-nesting birds (Imbeau and Desrochers 2002) as well as to provide a continuous supply of snags in various deterioration categories used by several invertebrates, mammals, amphibians, and birds (McComb andLindenmayer 1999, Similä et al 2003).…”

Section: Strategies To Be Favouredmentioning

confidence: 99%

How do Alberta's, Ontario's and Quebec's forest operation laws respect ecological sustainable forest management criteria in the boreal forest?

Bourgeois¹,

Kneeshaw²,

Imbeau³

et al. 2007

The Forestry Chronicle

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In order to receive forest certification and to respond to societal desires, many forest companies are attempting to demonstrate that their forest activities are «sustainable». The main objective of this paper is to qualitatively evaluate the ways in which forestry-related provincial regulations in the three provinces (Alberta, Ontario and Quebec) that contain most of the Canadian boreal forest help forest companies achieve certification with respect to ecological criteria. In the process of continually evolving towards sustainable forest management, we evaluate how these provincial regulations governing forest operations can be helpful in maintaining three criteria: biodiversity, the aquatic environment and soils. This study shows that the regulations evaluated have varied in their approach and thus have different strengths that must be underlined: (1) Ontario's approach is the strongest in terms of biodiversity, (2) Alberta and Ontario provide measures to abandon roads after harvesting, (3) Quebec provides the greatest specific measures for protecting waterways and aquatic species, (4) Alberta shows the greatest consideration for maintaining the most soil properties and functions. Better links between different regulations are necessary in all jurisdictions. The continual improvement of Canadian forest rules is often slow and advances at a different pace depending on regulators but it should be supported in all provinces.Key words: sustainable forest management, biodiversity, aquatic environment, soils, Alberta, Ontario, Quebec RÉSUMÉ Afin d'obtenir une certification forestière et de répondre aux besoins de la société, les compagnies doivent démontrer que leurs activités forestières sont «durables». L'objectif principal de cet article est d'évaluer de quelles façons les normes forestières provinciales des ministères des ressources naturelles aident les compagnies forestières à obtenir une certification environnementale. Nous avons évalué de façon qualitative les lois encadrant les opérations forestières en forêt boréale, la zone forestière dominante au Canada. Nous mettons l'emphase sur trois provinces (Alberta, Ontario et Québec) qui couvrent la plus grande proportion de la zone boréale au pays. Dans une démarche d'amélioration continue, nous évaluons comment ces normes peuvent aider à maintenir trois critères : la biodiversité, le milieu aquatique et les sols. Cette étude montre que ces règlements présentent des différences dans leurs approches et des forces qui doivent être soulignées : (1) l'approche de l'Ontario est la plus forte en termes de biodiversité, (2) l'Alberta et l'Ontario proposent des mesures pour abandonner les routes suite aux activités de récolte, (3) le Québec offre les meilleures mesures spécifiques pour un nombre de milieux humides et d'espèces aquatiques, (4) l'Alberta présente la meilleure réflexion sur le maintien du plus grand nombre de propriétés et fonctions des sols. De meilleurs liens entre les différentes lois sont nécessaires bien qu'il faille appuyer l'amélioration con...

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Foraging Ecology and Use of Drumming Trees by Three-Toed Woodpeckers

Cited by 86 publications

References 19 publications

Ecosystem Responses to Partial Harvesting in Eastern Boreal Mixedwood Stands

Ecosystem Responses to Partial Harvesting in Eastern Boreal Mixedwood Stands

Birds of an Open Vegetation Enclave in Southern Brazilian Amazonia

How do Alberta's, Ontario's and Quebec's forest operation laws respect ecological sustainable forest management criteria in the boreal forest?

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