Managed forest landscape structure and avian species richness in the southeastern US

Loehle, Craig; Wigley, T. Bently; Rutzmoser, Scott; Gerwin, John A.; Keyser, Patrick D.; Lancia, Richard A.; Reynolds, Christopher J.; Thill, Ronald E.; Weih, Robert C.; White, Donald L.; Wood, Petra Bohall

doi:10.1016/j.foreco.2005.04.018

Cited by 43 publications

(34 citation statements)

References 39 publications

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“…Protecting biodiversity in fragmented landscapes requires substantial conservation and ecosystem restoration eVorts (Young 2000;Lindenmayer et al 2003). We admit that logging can contribute to increase the overall bird diversity introducing clearcuts and several stand age successions (Keller et al 2002;Loehle et al 2005). However, given that our results suggest the overall diversity may be misleading in a forest context and that forest changes induced 1 C by logging are substantially negative when favouring the black locust, we believe that the preservation of forest integrity should be a priority, at least in our study area.…”

Section: Methodological and Conservation Implicationsmentioning

confidence: 99%

Assessing habitat/landscape predictors of bird diversity in managed deciduous forests: a seasonal and guild-based approach

2008

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In this study we focused on deciduous managed forests in northwest Italy and investigated relationships between bird diversity and forest descriptors both at the habitat and landscape level through a seasonal, guild-based approach. Birds were censused by point counts in randomly selected plots of 50 m radius. Each census plot was described in habitat structure terms by using the Bitterlich variable plot-radius method. Landscape metrics (both at class-and landscape-level, according to Fragstats' terminology) were measured within 500 m radius circle of each plot using an existing GIS database. We Wrst identiWed specialist and generalist species according to the presence/absence of each species in relation to habitat structure measurements using generalized additive models (GAMs), then we tested for the eVects of habitat and landscape variables on guild parameters (namely, bird species richness, Shannon diversity and abundance) using generalized linear models (GLMs). Our analyses showed that several habitat and landscape predictors aVected bird diversity. However, in general, guild parameters relative to specialists were especially inXuenced by oak biomass (a habitat predictor) and oak core area (a class-level predictor) irrespective of the season, while parameters of generalists were inXuenced by oak core area in winter and perimeter/area ratio of oak patches in spring. Landscape-level predictors signiWcantly aVected winter bird abundance only. Results clearly showed that the retention of native oaks both at the habitat and the landscape level is the key-factor for the conservation of diversity of specialist bird species in deciduous, originally oak-dominated woods. Results also suggest that studies focusing on diVerent periods should be preferred to mono-season surveys and that a guild-based approach should be preferred to an holistic one taking into account all species. Electronic supplementary materialThe online version of this article (

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Section: Methodological and Conservation Implicationsmentioning

confidence: 99%

Assessing habitat/landscape predictors of bird diversity in managed deciduous forests: a seasonal and guild-based approach

2008

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“…Los valores más altos de riqueza y diversidad alfa los observamos en áreas manejadas por el mds, que se considera un método más intensivo que el mmobi (Nájera et al, 2010). Debido a la mayor variedad de tratamientos silvícolas aplicados, las áreas manejadas por mds favorecen la heterogeneidad de hábitats, y pueden contribuir a la mayor riqueza y diversidad alfa en las áreas sujetas a este método (Tews et al 2004, Loehle et al 2005. Aunque de forma local la aplicación del mmobi mantiene una estructura de la vegetación más heterogénea en comparación con el mds, es posible que la menor riqueza observada sea el resultado combinado de un efecto altitudinal (Navarro-Sigüenza et al 2014), y de su aplicación en una superficie reducida.…”

Section: Discussionunclassified

“…Esto ha permitido que se hayan utilizado para evaluar el efecto de diversos factores de disturbio (Şekercioğlu et al 2004), incluidos los efectos del manejo forestal. Se ha observado que la riqueza de aves tiene una relación directa con el tiempo transcurrido desde la extrac ción de madera (Jansson y Andrén 2003), que hay un incremento en la riqueza a causa del mosaico de hábitats gene rado por el manejo (Loehle et al 2005), o que no hay pérdida significativa de especies a lo largo del ciclo de manejo (Deferrari et al 2001). No obstante, se han reportado cambios específicos en abundancia y riqueza en respuesta a la aplicación de diferentes tratamientos silvícolas (Beese y Bryant 1999, Gram et al 2003.…”

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Diversidad de aves en un bosque bajo manejo forestal en la Sierra Norte de Puebla, México

López-Becerra

Barrón-Sevilla

2018

Huitzil Rev. Mex. Ornitol.

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La demanda de recursos forestales ha provocado la intensificación en el aprovechamiento de los bosques, y la necesidad de evaluar su efecto sobre las aves. El propósito del presente estudio fue evaluar la diversidad de aves en un bosque templado de producción forestal. Establecimos transectos y puntos de conteo intensivo en áreas representativas de los tratamientos silvícolas en el ejido Acolihuia, municipio de Chignahuapan, Puebla. Los tratamientos silvícolas que consideramos fueron cortas de aclareo, de liberación, de regeneración y de selección. Identificamos 35 especies de aves: 30 fueron residentes y 5 migratorias neotropicales. Cinco especies tienen alguna categoría de endemismo, y registramos a Myadestes occidentalis, sujeta a protección especial por la NOM-059- SEMARNAT-2010. La abundancia y riqueza de especies entre tratamientos silvícolas fue diferente. La mayor riqueza y diversidad alfa la registramos en áreas manejadas por el método de desarrollo silvícola. La similitud de especies entre tratamientos es baja o intermedia, lo que sugiere que las especies pueden conservarse durante la rotación de los tratamientos. En un escenario de deforestación persistente y requerimiento creciente de productos forestales, el fomento al manejo forestal sustentable puede contribuir a la conservación de la diversidad de aves.

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“…Years of study have thus led to knowledge of the response of specific structures such as living trees (Crow et al 2002, Brais et al 2004, Saunders and Wagner 2008, dead wood, (McGee et al 1999) and understory plants (Roberts 2007) to different types of harvesting. On the other hand, the effects of partial cuts on the spatial distribution of structure and habitat heterogeneity have also been studied for different animal taxa (Suzuki and Hayes 2003, Loehle et al 2005, AguilarAmuchastegui and Henebry 2007. Considering this early work, complex forests can be defined as diverse and structurally heterogeneous systems that provide a large variety of habitats for plants and animals.…”

Section: Introductionmentioning

confidence: 99%

Do partial cuts create forest complexity? A new approach to measuring the complexity of forest patterns using photographs and the mean information gain

WittéIsabelle¹,

KneeshawDaniel²,

MessierChristian³

2013

The Forestry Chronicle

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Forest management generally simplifies forest structure and composition with some negative impacts in terms of biodiversity and resilience. Thus, maintaining structural complexity is increasingly cited as an objective of sustainable forest management. Different initiatives have been proposed to use partial cuts to increase the complexity of forests. Using “the length of description” of forest patterns as a novel measure of complexity in forests, the effects of two intensities of partial cuts were compared to those found in 34-year-old secondary forests and 86-year-old primary (post-fire) forests. Our results show that partial cuts increase the complexity of forest patterns as compared to mature and secondary forests.

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Managed forest landscape structure and avian species richness in the southeastern US

Cited by 43 publications

References 39 publications

Assessing habitat/landscape predictors of bird diversity in managed deciduous forests: a seasonal and guild-based approach

Assessing habitat/landscape predictors of bird diversity in managed deciduous forests: a seasonal and guild-based approach

Diversidad de aves en un bosque bajo manejo forestal en la Sierra Norte de Puebla, México

Do partial cuts create forest complexity? A new approach to measuring the complexity of forest patterns using photographs and the mean information gain

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