Analysis of potential impacts of climate change on forests of the United States Pacific Northwest

Latta, Gregory S.; Temesgen, Hailemariam; Adams, Darius M.; Barrett, Tara M.

doi:10.1016/j.foreco.2009.09.003

Cited by 82 publications

(46 citation statements)

References 25 publications

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“…However, this increase will not be uniform across elevations. Lower elevations will experience declines in productivity while an increase of productivity in many higher elevation forests partially offset those declines (Nakawatase & Peterson 2006;Latta et al 2010). For example, Douglas-fir is limited by high growing season temperatures and low growing season precipitation at low to mid elevations (495-1133m), but at high elevation (1036-1450m) current-year high temperatures lead to above-average growth (Case and Peterson 2005).…”

Section: Productivitymentioning

confidence: 99%

A Model Approach for Estimating Colony Size, Trends, and Habitat Associations of Burrow-Nesting Seabirds

et al. 2013

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Section: Productivitymentioning

confidence: 99%

A Model Approach for Estimating Colony Size, Trends, and Habitat Associations of Burrow-Nesting Seabirds

et al. 2013

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“…Al respecto, estudios recientes muestran que las características climáticas influyen considerablemente sobre la productividad del bosque, donde las temperaturas juegan un papel importante en la generación de microambientes que aceleran la descomposición del material orgánico y la consecuente liberación de nutrientes; mientras que las relaciones entre la precipitación y las densidades de arbolado incrementan la disponibilidad de humedad en bosques secos (Deo, 2013;Raz-Yaseef et al, 2010;Karhu et al, 2010;Latta et al, 2010), como los de la región de estudio.…”

Section: Resultados Y Discusiónunclassified

Influencia de variables físicas en la productividad de Pinus arizonica y Pinus engelmannii en el sur de Chihuahua, México

Martínez-Salvador

Valdéz-Cepeda

Pompa-García

2013

MYB

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Se utilizó el índice de sitio (IS) para identificar la influencia de variables de suelo, clima y relievesobre el crecimiento de P. arizonica y P. engelmannii en el sur de Chihuahua. Los modelos de IS fuerondesarrollados a partir de información de análisis troncales usando la función de Schumacher y elmétodo de curva guía. Adicionalmente, se desarrolló un muestreo sistemático usando parcelas de400 m2, donde se midieron altura y edad de árboles dominantes, así como variables de suelo, clima yrelieve. Con los modelos de IS se identificó la calidad de estación de cada parcela muestreada. Serealizó un análisis de discriminante canónico (ADC), para identificar diferencias multivariadas entrecalidades de estación, y un análisis de varianza, para identificar la influencia de las variables físicas enel crecimiento de las especies. El método de curva guía predijo con precisión el crecimiento de ambasespecies (Pseudo R2 > 0,90). El ADC mostró que existen diferencias multivariadas entre las calidadesde estación, con alta influencia de la pendiente, disección vertical, profundidad de suelo y temperaturas.De acuerdo con el análisis de varianza (α ≤ 0,05), los valores para las variables de mayor influenciasobre la mejor calidad de estación fueron la profundidad de suelo > 43 cm, pendiente menor a 12° ± 8°,temperatura mínima promedio menor a 8 °C ± 3 °C y temperatura máxima promedio menor a 18 °C ±3 °C. Estos valores pueden ser de gran utilidad para construir modelos espaciales de productividad enlos estados de Chihuahua y Durango, México.

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“…Given that mean annual increment is related to temperature and moisture gradients within the Pacific Northwest (Latta et al, 2010), the presence of within region climate effects was not surprising, but the restriction of the intra-regional climate effects to the TSHEPISI and ABCOGR was unexpected. As the inclusion of intra-regional climate variables did not appear related to the broader climatic gradients represented by the vegetation zones (i.e., stronger effect in wet vs. dry or warm vs. wet vegetation zones), our results may indicate that other non-climatic factors are necessary to set the stage for intra-regional climatic controls.…”

Section: Discussionmentioning

confidence: 99%

Assessing intra- and inter-regional climate effects on Douglas-fir biomass dynamics in Oregon and Washington, USA

Bell

Gray

2016

Forest Ecology and Management

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a b s t r a c tWhile ecological succession shapes contemporary forest structure and dynamics, other factors like forest structure (dense vs. sparse canopies) and climate may alter structural trajectories. To assess potential sources of variation in structural trajectories, we examined proportional biomass change for a regionally dominant tree species, Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco), across vegetation zones representing broad gradients in precipitation and temperature with 3510 forest inventory plots in Oregon and Washington, USA. We found that P. menziesii biomass change decreased with P. menziesii biomass stocks and increased with P. menziesii density, remaining positive in older stands only in the wet and warm vegetation zone. Within two of the vegetation zones, biomass change was greatest in warm and wet environments. In dry vegetation zones, positive P. menziesii biomass change responses to initial canopy cover and canopy cover change (i.e., increases with cover loss and decreases with cover gain) indicated shifts in forest structure. Variation in P. menziesii biomass dynamics within and between vegetation zones imply multi-scale climatic controls on forest structural trajectories for P. menziesii and highlight the potential for continued atmospheric carbon sequestration in warm and wet forests of the Pacific Northwest for both young and old forests, given that future climatic conditions support similar forest dynamics.Published by Elsevier B.V.

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Analysis of potential impacts of climate change on forests of the United States Pacific Northwest

Cited by 82 publications

References 25 publications

A Model Approach for Estimating Colony Size, Trends, and Habitat Associations of Burrow-Nesting Seabirds

A Model Approach for Estimating Colony Size, Trends, and Habitat Associations of Burrow-Nesting Seabirds

Influencia de variables físicas en la productividad de Pinus arizonica y Pinus engelmannii en el sur de Chihuahua, México

Assessing intra- and inter-regional climate effects on Douglas-fir biomass dynamics in Oregon and Washington, USA

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