Conifer Release Alternatives Increase Aspen Forage Quality in Northwestern Ontario

Lautenschlager, R. A.; Dalton, William; Cherry, Marilyn L.; Graham, Jeri L.

doi:10.2307/3802850

Cited by 7 publications

(5 citation statements)

References 21 publications

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“…So, although it may be valuable to continue to document health and reproductive parameters, for small mammals and possibly other animal groups, density by species appears to sufficiently quantify responses of populations to forest herbicide applications. Lautenschlager et al (1999) reached a similar conclusion relative to effects of herbicide treatments on forage quality. That is, they concluded that biomass changes sufficiently quantified effects of treatments on browse for moose and deer.…”

Section: Consider That Density/biomass Changes May Sufficiently Documsupporting

confidence: 55%

Improving research into effects of forest herbicide use on biota in northern ecosystems

Lautenschlager

Sullivan

2004

Wildlife Society Bulletin

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Studies of indirect effects of forest herbicide use on biota have improved dramatically during the last two decades, though further improvements are still needed. Based on our experience, we provide recommendations designed to ensure continued improvements to general field research, including forest herbicide‐wildlife research. Specifically, we suggest that researchers should: 1) use a combination of public concerns and existing scientific information to focus research efforts (i.e., the appropriate foundation for this type of research is social and ecological); 2) predict and test social and ecological consequences of herbicide and alternative treatments on components of concern in forested landscapes, using scales (time and space) that are operationally, ecologically, and socially meaningful; 3) understand the ecology of biotic components of interest and their interaction with other components in shared ecosystems; 4) determine the appropriate integrative currency so that a synthesis of effects on ecosystem or economic parameters can be developed; 5) document treatment delivery and consequences for plants targeted for suppression and for improved growth; and 6) appreciate that herbicides could hold the key to a variety of wildlife management and vegetation (habitat) restoration efforts.

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Section: Consider That Density/biomass Changes May Sufficiently Documsupporting

confidence: 55%

Improving research into effects of forest herbicide use on biota in northern ecosystems

Lautenschlager

Sullivan

2004

Wildlife Society Bulletin

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“…For example, understory structure and diversity provides foraging, nesting, and perching substrate for numerous species of songbirds (MacArthur and MacArthur, 1961;Woodcock et al, 1997), thermal cover and protection from predators for small herbivores (Wolff, 1980;Pietz and Tester, 1983;Litvaitis et al, 1985), and browse for ungulates (Doerr and Sandburg, 1986;Newton et al, 1989;Lautenschlager et al, 1999). Therefore, human alteration of structural characteristics of forested ecosystems may have varied effects upon the vertebrate species whose geographic distribution includes commercially managed forest.…”

Section: Introductionmentioning

confidence: 96%

Structural differences between precommercially thinned and unthinned conifer stands

Homyack

Harrison

Krohn

2004

Forest Ecology and Management

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“…Runciman and Sullivan (1996) concluded that sex ratios, body weights, reproduction, recruitment and survival of deer mouse were similar for all treatments (glyphosate and brushsaw). For larger mammals, de Bellefeuille et al (2001) observed that conifer release (brushsaw and glyphosate) did not affect habitat use by hare, while Lautenschlager et al (1999) found out that moose winter use of the study area decreased during the first two years following any release treatments (machine, brushsaw, glyphosate and triclopyr).…”

Section: Ecological Impactsmentioning

confidence: 99%

Are chemical or mechanical treatments more sustainable for forest vegetation management in the context of the TRIAD?

Fortier¹,

Messier²

2006

The Forestry Chronicle

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Chemical and mechanical forest vegetation management (FVM) treatments are analyzed and compared to assess which is the most sustainable in intensively managed plantations in the context of the TRIAD. At the biological and ecological level, herbicides have been found to have more impacts on flora and fauna compared to mechanical treatments, but the differences are of short duration. The effects of noise generated by manual or mechanical brushing on wildlife have not been investigated, however. Local application of herbicide at the base of the tree should further lower these impacts. At the social level, the general public has a negative perception of chemical treatments, while mechanical treatments are wellperceived. However, in terms of worker safety, chemical treatments are less risky than manual brushing (brushsaw or chainsaw). At the economic level, herbicides globally cost less and are more effective at increasing fibre production than mechanical operations. We conclude that it is difficult to assess globally what is the most sustainable option to control competing vegetation. However, the careful use of herbicide may be the most sustainable option if the added productivity thus obtained is used to increase protected areas and ecosystem-based management, as is intended with the TRIAD concept.Key words: forest vegetation management, chemical release, mechanical release, functional zoning, plantations, ecological impacts, social impacts, economical impacts, intensive management, sustainable forestry RÉSUMÉ Les traitements chimiques et mécaniques de gestion de la végétation compétitrice sont comparés afin d'évaluer quel traitement est le plus durable pour réaliser le dégagement des plantations à haut rendement dans le contexte de la TRIADE. Au niveau écologique et biologique, les traitements chimiques ont plus d'impacts négatifs sur la faune et la flore que les traitements mécaniques, mais cet impact est de courte durée. Les effets du bruit sur la faune généré par l'utilisation de la débrousailleuse ou de la machinerie lourde ne sont pas documentés. Un dégagement chimique local, à la base de chacun des semis, réduit considérablement les impacts écologiques associés aux phytocides. Au niveau social, la perception à l'égard du dégagement chimique est fort négative, ce qui n'est pas le cas pour les opérations mécaniques. En matière de santé sécurité des travailleurs, l'usage de phytocide est moins risqué que le dégagement mécanique manuel. Pour ce qui est des bénéfices économiques, comparativement au de dégagement mécanique, l'utilisation de phytocides chimiques est moins coûteuse en plus d'augmenter de manière plus importante le capital ligneux. Nous concluons qu'il est difficile de discriminer quel traitement est le plus durable. Néanmoins, l'usage rationnel de phytocide apparaît comme l'option la plus durable dans la mesure où l'augmentation de la production ligneuse pourrait ensuite servir à l'implantation d'un aménagement écosystémique et à la création d'aires protégées, comme le concept de TRIADE le ...

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Conifer Release Alternatives Increase Aspen Forage Quality in Northwestern Ontario

Cited by 7 publications

References 21 publications

Improving research into effects of forest herbicide use on biota in northern ecosystems

Improving research into effects of forest herbicide use on biota in northern ecosystems

Structural differences between precommercially thinned and unthinned conifer stands

Are chemical or mechanical treatments more sustainable for forest vegetation management in the context of the TRIAD?

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