Simulating the effects of different fire regimes on plant functional groups in Southern California

Franklin, Janet; Syphard, Alexandra D.; Mladenoff, David J.; He, Hong S.; Simons, Dena K.; Martin, Ross P; Deutschman, Douglas H.; O’Leary, John F.

doi:10.1016/s0304-3800(01)00286-1

Cited by 85 publications

(52 citation statements)

References 60 publications

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“…The LANDIS model is developed from the simplification of GAP models, a type of model to simulate the forest growth and succession dynamics at plot level using observed long term forest inventory data (Bugmann 2001). The validity of the LANDIS model assumptions is illustrated in many simulation studies from different forest types including various temperate deciduous forest systems of the Midwestern United States Sturtevant et al 2004a, b) and China (He et al 2002); boreal forest ecosystems of North America (Mehta et al 2004;Pennanen et al 2004), Finland (Pennanen and Kuuluvainen 2002), Russian , and China (Wang et al 2006;Xu et al 2004); coastal chaparral of Southern California, USA (Franklin et al 2001), transitional areas between boreal forest and temperate forest ) and high elevation coniferous forests of Switzerland (Schumacher et al 2004). Furthermore, the PnET-II model has been developed from long-term, highresolution gross and net carbon balance data measured at the Harvard Forest by eddy covariance towers and water and nutrient-balance data sets at Hubbard Brook (Aber and Federer 1992;Rastetter et al 2003).…”

Section: Discussionmentioning

confidence: 99%

Importance of colonization and competition in forest landscape response to global climatic change

Gertner

Scheller

2011

Climatic Change

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The tree species composition of a forested landscape may respond to climate change through two primary successional mechanisms: (1) colonization of suitable habitats and (2) competitive dynamics of established species. In this study, we assessed the relative importance of competition and colonization in forest landscape response (as measured by the forest type composition change) to global climatic change. Specifically, we simulated shifts in forest composition within the Boundary Waters Canoe Area of northern Minnesota during the period 2000-2400 ad. We coupled a forest ecosystem process model, PnET-II, and a spatially dynamic forest landscape model, LANDIS-II, to simulate landscape change. The relative ability of 13 tree species to colonize suitable habitat was represented by the probability of establishment or recruitment. The relative competitive ability was represented by the aboveground net primary production. Both competitive and colonization abilities changed over time in response to climatic change. Our results showed that, given only moderate-frequent windthrow (rotation period = 500 years) and fire disturbances (rotation period = 300 years), competition is relatively more important for the shortterm (<100 years) compositional response to climatic change. For longer-term forest landscape response (>100 years), colonization became relatively more important. However, if more frequent fire disturbances were simulated, then colonization is the dominant process from the beginning of the simulations. Our results suggest that 54 Climatic Change (2012) 110:53-83 the disturbance regime will affect the relative strengths of successional drivers, the understanding of which is critical for future prediction of forest landscape response to global climatic change.

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Section: Discussionmentioning

confidence: 99%

Importance of colonization and competition in forest landscape response to global climatic change

Gertner

Scheller

2011

Climatic Change

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“…Thus we do not include disturbances such as fire events, where flammability depends on the age of the stand (e.g. Franklin et al ., 2001;McCarthy et al ., 2001; but see Discussion). Without disturbances succession will end up with the climax stage.…”

Section: Disturbance Regimementioning

confidence: 99%

Testing the intermediate disturbance hypothesis: when will there be two peaks of diversity?

Johst

Huth

2005

Diversity and Distributions

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Succession after disturbances generates a mosaic of patches in different successional stages. The intermediate disturbance hypothesis predicts that intermediate disturbances lead to the highest diversity of these stages on a regional scale resulting in a hump-shaped diversity-disturbance curve. We tested this prediction using field data of forest succession and hypothetical succession scenarios in combination with analytical and simulation models. According to our study the main factors shaping the diversity-disturbance curve and the position of the diversity maximum were the transition times between the successional stages, the transition type, neighbourhood effects and the choice of diversity measure. Although many scenarios confirmed the intermediate disturbance hypothesis we found that deviations in the form of two diversity maximums were possible. Such bimodal diversity-disturbance curves occurred when early and late successional stages were separated by one or more long-lived (compared to the early stages) intermediate successional stages. Although the field data which met these conditions among all those tested were rare (one of six), the consequences of detecting two peaks are fundamental. The impact of disturbances on biodiversity can be complex and deviate from a hump-shaped curve.

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“…Such landscape level succession/disturbance models have been used for evaluating habitat patterns in forests and woodlands (e.g., Klenner et al, 2000;Bunting et al 2007) and assessment of fire regimes and management scenarios (Bunting et al 2007, Franklin et al 2001, Keane et al 1997.…”

Section: Landscape Composition In Aspen Woodlands Under Various Modelmentioning

confidence: 99%

Proceedings of the First Landscape State-and-Transition Simulation Modeling Conference, June 14–16, 2011, Portland, Oregon

Kerns¹,

Shlisky²,

Daniel³

2012

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A simplified schematic diagram of a state-and-transition simulation model (STSM) for a dry mixed-conifer forest, illustrating a subset of a vegetation successional states and natural and human-caused transitions. The papers in these proceedings provide more detail about STSM mechanics and specific applications across a range of ecosystem types. Cover design and drawings by Steven M. Wondzell.Authors of each paper in this report are responsible for their content and accuracy. Opinions expressed may not necessarily reflect the position of the U.S. Department of Agriculture.The Forest Service of the U.S. Department of Agriculture is dedicated to the principle of multiple use management of the Nation's forest resources for sustained yields of wood, water, forage, wildlife, and recreation. Through forestry research, cooperation with the States and private forest owners, and management of the national forests and national grasslands, it strives-as directed by Congress-to provide increasingly greater service to a growing Nation.The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, sex, religion, age, disability, sexual orientation, marital status, family status, status as a parent (in education and training programs and activities), because all or part of an individual's income is derived from any public assistance program, or retaliation. (Not all prohibited bases apply to all programs or activities).If you require this information in alternative format (Braille, large print, audiotape, etc.), contact the USDA's TARGET Center at (202) 720-2600 (Voice or TDD).If you require information about this program, activity, or facility in a language other than English, contact the agency office responsible for the program or activity, or any USDA office.To file a complaint alleging discrimination, write USDA, Director, Office of Civil Rights, 1400 Independence Avenue, S.W., Washington, D.C. 20250-9410, or call toll free, (866) 632-9992 (Voice). TDD users can contact USDA through local relay or the Federal relay at (800) 877-8339 (TDD) or (866) 377-8642 (relay voice users). You may use USDA Program Discrimination Complaint Forms AD-3027 or AD-3027s (Spanish) which can be found at: http://www. ascr.usda.gov/complaint_filing_cust.html or upon request from a local Forest Service office. USDA is an equal opportunity provider and employer. Model. The goal of the conference was to (1) provide opportunities for sharing experiences with different applications of the tools, (2) identify major existing conceptual or technological gaps, and develop goals for future state-and-transition simulation model (STSM) development, and (3) start building an international network of STSM users. Eighteen oral presentations and thirteen posters were presented. This proceeding includes thirteen papers that build on some key STSM concepts, applications, and innovations from that conference, and shares them with a wider audience. The goal of these proceedings is ...

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Simulating the effects of different fire regimes on plant functional groups in Southern California

Cited by 85 publications

References 60 publications

Importance of colonization and competition in forest landscape response to global climatic change

Importance of colonization and competition in forest landscape response to global climatic change

Testing the intermediate disturbance hypothesis: when will there be two peaks of diversity?

Proceedings of the First Landscape State-and-Transition Simulation Modeling Conference, June 14–16, 2011, Portland, Oregon

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