Northern Hawk Owls and Recent Burns: Does Burn Age Matter?

Hannah, Kevin C.; Hoyt, Jeff S.

doi:10.1650/7342

Cited by 11 publications

(4 citation statements)

References 18 publications

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“…Fire plays an important role in the ecology of the boreal forest, and there are many fire-dependent species that require the habitat created by fire. Black-backed and American three-toed woodpeckers (Picoides arcticus and Picoides dorsalis) and northern hawk owls (Surnia ulula) are strongly associated with recent post-fire habitat (Hobson and Schieck 1999;Hoyt and Hannon 2002;Hannah and Hoyt 2004). The woodpeckers forage on wood-boring beetles in burned snags (Hoyt and Hannon 2002); for hawk owls, fire is considered important in providing snags for nest sites, open areas for hunting, and increased habitat for prey (Duncan and Duncan 1998).…”

Section: Birdsmentioning

confidence: 99%

Effects of natural resource development on the terrestrial biodiversity of Canadian boreal forests

et al. 2014

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Much of Canada's terrestrial biodiversity is supported by boreal forests. Natural resource development in boreal forests poses risks to this biodiversity. This paper reviews the scientific literature to assess the effects of natural resource development on terrestrial biodiversity in Canadian boreal forests. We address four questions: (1) To what extent have Canadian boreal forests changed due to natural resource development? (2) How has biodiversity responded to these changes? (3) Will the biodiversity of second-growth forests converge with that of primary boreal forests? (4) Are we losing species from boreal forests? We focus on trees, understory plants, insects, fungi, selected mammals, and songbirds because these groups have been most studied. We review more than 600 studies and found that changes in community composition are prevalent in response to large-scale conversion of forest types, changes in stand structures and age distributions, and altered landscape structure resulting from forest management and habitat loss associated with other developments such as oil and gas, hydroelectric, and mining. The southern boreal forest has been more highly impacted than the north due to more extensive forest management and the cumulative effects of multiple forms of development. There is abundant evidence that most species are not in danger of being extirpated from the boreal forest due to these anthropogenic changes. A few species, including woodland caribou (Rangifer tarandus) and grizzly bear (Ursus arctos), have, however, undergone long-term range contractions. Significant gaps in our ability to assess the effects of natural resource development on biodiversity in the boreal zone are the lack of long-term spatial and population data to monitor the impact of forest changes on ecosystems and species.Résumé : Une bonne partie de la biodiversité du Canada se retrouve en forêt boréale. Le développement des ressources naturelles dans des forêts boréales présente des risques pour cette biodiversité. Les auteurs présentent une revue de la littérature pour évaluer les effets du développement des ressources naturelles sur la biodiversité terrestre dans les forêts boréales canadiennes. Ils ont soulevé quatre questions : (1) jusqu'à quel point les forêts boréales canadiennes se sont vues modifiées par le développe-ment des ressources naturelles ? (2) Comment la biodiversité a-t-elle réagi à ces changements ? (3) Y aura-t-il convergence de la biodiversité des forêts de seconde venue avec celle des forêts boréales primaires ? (4) Subissons-nous des pertes d'espèces en forêts boréales ? Les auteurs se sont intéressés en particulier aux arbres, aux plantes de sous-bois, aux insectes, aux champignons, à des mammifères et oiseaux chanteurs sélectionnés, car ces groupes ont été les plus étudiés. Ils ont suivi plus de 600 espèces et ont constaté que les changements de composition prévalent en réaction à des modifications à grande échelle des types forestiers, des changements de la structure, des classes d'âge, des modifications aux ...

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Section: Birdsmentioning

confidence: 99%

Effects of natural resource development on the terrestrial biodiversity of Canadian boreal forests

et al. 2014

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“…Scientific evidence exists to show that naturally disturbed areas containing abundant quantities of dead trees can be important habitat for several species of invertebrates, mammals and birds (Hannah andHoyt 2004, Nappi et al 2004). Consequently, coarse filter plans in all provinces should consider the long-term provision of naturally disturbed habitats.…”

Section: Challengesmentioning

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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“…Geniş ölçekli ve şiddetli yangınların gerçekleştiği ibreli ormanlık alanlar ile türün habitat kullanımı arasındaki bu sıkı ilişki nedeniyle bu tür için "yangın uzmanı" tabiri kullanılmaktadır (Hutto et al, 2008). Boreal orman kuşağında, şiddetli yangınlar sonrasında ortaya çıkan yapıya uyum sağlamış ve genellikle yangın görmüş alanlarda görülebilecek avcı kuşlardan olan Kuzey atmaca baykuşu ise (Surnia ulula) bir başka örnek tür olarak gösterilebilir (Hannah and Hoyt, 2004) (Şekil 10b).…”

Section: Yangın Sonrasıunclassified

Forest Fires and Birds

Baysal¹,

Ucarli²,

Bılgılı³

2017

Kastamonu Üniversitesi Orman Fakültesi Dergisi

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Özet Çalışmanın amacı: Orman yangınları esnasında ve sonrasında bazı kuş türlerinin davranış biçimleri ve habitat kullanımlarının ortaya konulması ve tartışılması ile ülkemizde yangınların yoğun bir şekilde gerçekleştiği ormanlık alanlardaki ormancılık faaliyetlerinin gerçekleştirilmesinde ve planlamalara konu edilebilmesinde karar vericilere bazı önerilerde bulunmaktır. Çalışma alanı: Türkiye'nin farklı bölgelerinde son 10 yılda çıkmış bazı orman yangınları ele alınmış ve tartışılmıştır. Ülkemizde gerçekleştirilmiş deneme yangınları da ayrıca araştırmaya konu edilmiştir. Materyal ve Yöntem: Aktif orman yangınlarına yönelik; yangın türü, yanıcı madde tipi, yangın davranışı özellikleri ve baş yangını ile kenar ve arka yangınlarına ilişkin gözlem ve incelemeler not edilmiştir. Yangın esnasında ve sonrasında alanda gözlemlenen kuş türleri ve davranışları, dürbün, fotoğraf makinesi ve video kamera gibi cihazlarla kayıt altına alınmış ve tür tespitleri yapılmıştır. Sonuçlar: Çalışmada, kuşların yangınlara karşı göstermiş oldukları davranışlar ve habitat kullanımları yangın esnasında ve yangın sonrası için değerlendirilmiştir. Kuşların, yangın esnasında ortaya çıkan ani besin kaynağı artışından anlık istifade ettikleri, yangın sonrasında ise genellikle daha uygun hale gelen bu habitatları daha fazla kullanmak için alanda bulundukları tespit edilmiştir. Araştırma vurguları: Yangınlar, orman ekosistemlerinde canlı ve cansız çevre üzerinde birçok etkiye sebep olmaktadır. Kuşlar, yangınlardan doğrudan ya da habitatlarında meydana gelen değişimler sebebiyle dolaylı olarak etkilenen önemli canlı gruplarındandır. Kuşların yangınlardan göreceği fayda ve zararın belirlenmesinde, yavru veya ergin olma durumu, beslenme alışkanlıkları, habitat kullanımları, yangının zamanı, boyutu ve türü gibi unsurlar kritik rol oynamaktadır.

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Northern Hawk Owls and Recent Burns: Does Burn Age Matter?

Cited by 11 publications

References 18 publications

Effects of natural resource development on the terrestrial biodiversity of Canadian boreal forests

Effects of natural resource development on the terrestrial biodiversity of Canadian boreal forests

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

Forest Fires and Birds

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