Brown Creeper (Certhia americana)

Poulin, Jean-François; D'Astous, Émilie; Villard, Marc‐André; Hejl, Sallie J.; Newlon, Karen Rachel.; McFadzen, Mary E.; Young, Jock S.; Ghalambor, Cameron K.

doi:10.2173/bna.669

Cited by 13 publications

(13 citation statements)

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“…In the northern Appalachian Plateau in Pennsylvania, USA, Brown Creepers were more than twice as abundant in old-growth hemlock-hardwood than in younger forests (Haney andSchaadt 1996, Haney 1999). Moreover, numerous studies in the U.S. Pacific Northwest demonstrated that Brown Creepers are more abundant in old-growth stands or mature stands than in younger forests (reviewed by Hejl et al 2002).…”

Section: Discussionmentioning

confidence: 99%

Avian Assemblages Differ between Old-Growth and Mature White Pine Forests of Ontario, Canada: A Role for Supercanopy Trees?

Kirk¹,

Welsh²,

Baker³

et al. 2012

ACE

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. 2012. Avian assemblages differ between old-growth and mature white pine forests of Ontario, Canada: a role for supercanopy trees? Avian Conservation and Ecology 7(1): 4. http://dx.doi.org/10.5751/ACE-00503-070104 ABSTRACT. We predicted that bird diversity and abundance of some bird species would be higher in old-growth stands than in mature pine stands because of the greater structural diversity in old growth. We also predicted that patch size of stands should be influential. To test these predictions, we modeled counts of 79 bird species from 52 stands in 5 regions in the province of Ontario, Canada in relation to habitat at the local and landscape extents. Neither total species richness nor abundance differed between stand types. No significant difference was found in bird assemblages between stand types using ordination analysis. However, more Neotropical migrants were found in old-growth stands than in mature stands, while the reverse was true for short-distance migrants. Twenty-five species had higher counts in old-growth stands-three significantly so: Brown Creeper Certhia americana, Northern Parula Setophaga americana, and Scarlet Tanager Piranga olivacea. Supercanopy pine (> 60 cm dbh) was a significant (P < 0.05) positive predictor for Black-throated Green Warbler Setophaga virens, Northern Parula, and total species richness, while medium/large pine (> 40 cm/dbh) was a significant positive predictor for Brown Creeper, Pine Warbler Setophaga pinus, and total species richness. The density of supercanopy and medium/large pine explained a small but significant amount of variation in bird assemblages (1%), after considering age, other tree variables (9%), and landscape metrics. Patch size was significant for Evening Grosbeak Coccothraustes vespertinus and total abundance. According to receiver operating characteristic (ROC) thresholds, Brown Creeper required a minimum of 62 stems/ha of medium/large pine. Pileated Woodpecker Dryocopus pileatus and Black-throated Green Warbler required a minimum of 14 and 23 stems/ha of supercanopy pine, respectively. Blackburnian Warbler Setophaga fusca required a minimum stand age of 66 years. Current targets in shelterwood seed cuts for pine appear to be just within range for Brown Creeper-at least for the first cut, but not for subsequent cuts. We recommend that forest management seek to emulate increased old-growth characteristics in a proportion of managed stands that fall within the range of variation expected under natural variation.RÉSUMÉ. Nous avons prévu que la diversité et l'abondance de certaines espèces d'oiseaux seraient plus grandes dans les vieux peuplements de pins comparativement aux peuplements matures à cause de la plus grande diversité structurale des premiers. Nous avons également prévu que la superficie des peuplements aurait une influence. Pour vérifier ces hypothèses, nous avons modélisé les dénombrements de 79 espèces d'oiseaux dans 52 peuplements de 5 régions de l'Ontario, au Canada, en relation avec l'habitat à l'échelle locale et à celle du pays...

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Section: Discussionmentioning

confidence: 99%

Avian Assemblages Differ between Old-Growth and Mature White Pine Forests of Ontario, Canada: A Role for Supercanopy Trees?

Kirk¹,

Welsh²,

Baker³

et al. 2012

ACE

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“…Other There is a threshold of 66 large stems/ha (>30 cm) in the occurrence of treatments do not produce this species, whose breeding territory ranges from 2.3-9.4 ha preferred nesting/foraging (Poulin et al 2013).…”

Section: Species Predictionmentioning

confidence: 96%

“…Brown Creeper (Certhia americana) is associated with old forests (Hejl et al 2002, No response to enhanced Poulin et al 2013) and in particular with large-diameter, live trees for treatment because tree foraging (Poulin et al 2008) and snags for nesting (Poulin et al 2013).…”

Section: Species Predictionmentioning

confidence: 99%

Experimental manipulation of habitat structures in intensively managed spruce plantations to increase their value for biodiversity conservation

MacLeanDavid

DracupEvan

GandiagaFranck

et al. 2015

The Forestry Chronicle

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Six intensively managed white spruce (Picea glauca (Moench) Voss) plantations located in three general landscape contexts (plantation dominated, hardwood dominated, and mixed hardwood and plantation) in northern New Brunswick underwent alternative commercial thinning (CT) treatments: 1) an unthinned control; and three 40% basal area CT removals, with 2) slash and tops remaining on site (status quo CT), 3) branches and tops extracted from the site (biomass removal CT), and 4) clumps of unthinned trees left, and one-half girdled to create snags (enhanced structure CT). We examined responses of taxa that have a clear connection to deadwood and thinning response: beetles and bird species that are directly dependent upon deadwood, ground vegetation species sensitive to disturbance, and small mammals that have been observed to have low density in planted stands. Results three years post-thinning showed that crown width and tree growth responded positively to CT, and herbaceous vegetation diverged from reference stands and unthinned treatments with CT, but greatest compositional change was associated with biomass removal CT. Beetles responded positively to CT, small mammal species responded both positively (red-backed voles) and negatively (woodland jumping mice) to CT, but areas dominated by plantations had negative effects on voles. Effects of CT on songbirds were unclear and their quantification would require larger treated blocks, but maintenance of habitat at the landscape level is essential for the conservation of bird species that require deadwood. The experimental biomass removal CT was least similar to both unthinned and older unmanaged stands, and may therefore be detrimental to biodiversity conservation efforts. These results are only the initial three years after treatment but set the study up to permit a long-term legacy of determining long-term responses of taxa over stand development.Keywords: commercial thinning, beetles, songbirds, small mammals, ground vegetation, deadwood, tree growth response, plantation habitat RÉSUMÉ Six plantations d' épinette blanche (Picea glauca (Moench) Voss) aménagées de façon intensive, et situées dans trois paysages forestiers différents (prédominance de plantation, prédominance de feuillus et mélange de feuillus et de plantation) dans le nord du Nouveau-Brunswick ont fait l' objet de traitements d' éclaircie alternatifs (ÉC) : 1) témoin non éclairci; et trois éclaircies commerciales à 40 % de la surface terrière avec 2) abandon des branches et des houppiers sur le parterre de coupe (ÉC statu quo), 3) enlèvement des branches et des houppiers de sur le parterre de coupe (ÉC avec prélèvement de la biomasse), et 4) maintien de groupes d'arbres non éclaircis et annelés à moitié pour créer des chicots (ÉC avec structure améliorée). Nous avons étudié les taxons qui ont un lien étroit avec le bois mort ainsi que leur réaction à l' éclaircie : les coléoptères et les oiseaux qui ont absolument besoin de bois mort, les espèces vivant dans la végétation du sol, sensibles aux ...

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“…There is considerable evidence that Brown Creeper is closely associated with old forests and is sensitive to anthropogenic disturbances (Thompson et al 1999;Drapeau et al 2000;Imbeau et al 1999Imbeau et al , 2001Guénette and Villard 2005). Imbeau et al (1999) opined that the present loss of Brown Creeper habitat to forest management may be permanent, and Hejl et al (2002) were concerned that their habitat had declined considerably across North America after forest harvesting. Brown Creepers nest in large broken stumps, behind exfoliating bark in large dead trees, and in cavities (Bent 1964;Davis 1978;Poulin et al 2008), and it appears that those structures may only occur in the late oldgrowth condition in boreal forests.…”

Section: Convergence With Old-forest Bird Assemblagesmentioning

confidence: 99%

Does postharvest silviculture improve convergence of avian communities in managed and old-growth boreal forests?

ThompsonIan

KirkDavid²,

JastrebskiChristopher

2013

Can. J. For. Res.

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Habitat change following forest management may reduce biodiversity in boreal forests, as it has done globally in many forest types. Postharvest silviculture (PHS) is implemented to improve the yield of commercial tree species and has been applied to large areas of boreal forests. PHS may also influence animal communities and so we assessed songbird responses to these treatments in stands 20-52 years old in Ontario, Canada. We expected that several old-forest species would respond positively to PHS, that avian assemblages in treated forests would be distinct from those in untreated managed forests regardless of age, and that assemblages in our oldest treated stands would begin to converge with those of mature unmanaged forests. PHS stands had higher conifer density than naturally regenerating managed stands. The avian assemblage differed between treated and untreated stands at 20-30 years but not at 31-52 years. Convergence with old-forest assemblages was incomplete at 31-52 years after harvesting, although abundances of seven of 13 old-forest species did not differ from those in unmanaged forests. Of 10 old-forest species with competitive models, only Bay-breasted Warbler (Setophaga castanea (Wilson, 1810)) responded positively to PHS at the stand level, whereas two species responded positively at the landscape scale. Brown Creeper (Certhia americana Bonaparte, 1838), Boreal Chickadee (Poecile hudsonicus Forster, 1772), and Blackburnian Warbler (Setophaga fusca (Müller, 1776)) were absent from most managed stands and so require specific attention in planning for forest management, including retention of old-forest and delaying harvest of second-growth stands to ensure their occurrence and persistence.Résumé : La modification de l'habitat provoquée par l'aménagement forestier peut entraîner une réduction de la biodiversité comme cela a été le cas dans plusieurs types de forêt à travers le monde. La sylviculture pratiquée après la coupe (SPC) est utilisée pour améliorer le rendement des essences commerciales et a été appliquée sur de vastes superficies de forêt boréale. La SPC peut aussi influencer les communautés animales et nous avons donc évalué les réactions des oiseaux chanteurs à ces traitements dans des peuplements âgés de 20 à 52 ans situés en Ontario, au Canada. Nous nous attendions à ce que plusieurs espèces associées aux vieilles forêts réagissent positivement à la SPC, que les assemblages aviaires dans les forêts traitées soient différents de ceux rencontrés dans les forêts aménagées non traitées peu importe l'âge et que les assemblages dans les peuplements traités les plus vieux commencent à se rapprocher de ceux des forêts matures non aménagées. Les peuplements traités avaient une plus forte densité de conifères que les peuplements aménagés qui se régénéraient naturellement. L'assemblage aviaire était différent dans les peuplements traités et non traités âgés de 20 à 30 ans mais pas dans les peuplements âgés de 31 à 52 ans. La convergence avec les assemblages des vieilles forêts était incomplète 31 à ...

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Brown Creeper (Certhia americana)

Cited by 13 publications

References 0 publications

Avian Assemblages Differ between Old-Growth and Mature White Pine Forests of Ontario, Canada: A Role for Supercanopy Trees?

Avian Assemblages Differ between Old-Growth and Mature White Pine Forests of Ontario, Canada: A Role for Supercanopy Trees?

Experimental manipulation of habitat structures in intensively managed spruce plantations to increase their value for biodiversity conservation

Does postharvest silviculture improve convergence of avian communities in managed and old-growth boreal forests?

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