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Selection: with tag stochastic-state-transition [5 articles] 


Risks of population extinction from demographic and environmental stochasticity and random catastrophes

The American Naturalist, Vol. 142, No. 6. (1 December 1993), pp. 911-927,


Stochastic factors affecting the demography of a single population are analyzed to determine the relative risks of extinction from demographic stochasticity, environmental stochasticity, and random catastrophes. Relative risks are assessed by comparing asymptotic scaling relationships describing how the average time to extinction, T, increases with the carrying capacity of a population, K, under each stochastic factor alone. Stochastic factors are added to a simple model of exponential growth up to K. A critical parameter affecting the extinction dynamics is the ...


Bistability, spatial interaction, and the distribution of tropical forests and savannas

Ecosystems (2016), pp. 1-12,


Recent work has indicated that tropical forest and savanna can be alternative stable states under a range of climatic conditions. However, dynamical systems theory suggests that in case of strong spatial interactions between patches of forest and savanna, a boundary between both states is only possible at conditions in which forest and savanna are equally stable, called the ‘Maxwell point.’ Frequency distributions of MODIS tree-cover data at 250 m resolution were used to estimate such Maxwell points with respect to the ...


(INRMM-MiD internal record) List of keywords of the INRMM meta-information database - part 34

(February 2014)
Keywords: inrmm-list-of-tags   spatio-temporal-disaggregation   spatio-temporal-scale   spatiotemporal-change   species   species-area-relationships   species-association   species-biology   species-control   species-decline   species-description   species-dispersal   species-distribution   species-distributions   species-diversity   species-ecology   species-evolution   species-extinction   species-identification   species-indicators   species-interactions   species-invasions   species-local-maximum-altitude   species-positive-interaction   species-resistance   species-richness   species-selection   species-specific-effects   species-trial   species-use   species-vulnerability   spectral-analysis   sphaeropsis-sapinea   sphagnum-spp   sphexishness   spiders   spondias-dulcis   spondias-mombin   spore   spring   sprouting   spruce   spruce-bark-beetle   spruce-decline   sql   squashing-functions   srtm   stability-vs-sparsity   stabilization   stand-composition   stand-density   stand-structure   standard   staphylea-pinnata   staphylococcus-aureus   state-shift   stationarity   statistical-downscaling   statistics   stem-canker   stem-rot   stepping-stones   sterculia-foetida   sterculia-urens   sterilization   stigmella-spp   stochastic-dynamic-programming   stochastic-state-transition   stomatal-conductance   stone-weierstrass-theorem   stoniness   storage   storm   storm-intensity   strategy   strategy-vs-tactic   stratification   string-instrument   strobus   strom   strophosoma-melanogrammus   structure   stryphnodendron-microstachyum   subalpine   subalpine-belt   subtropical-areas   subtropical-climate   subtropical-forest   subtropical-mountain-system   succession   succession-pathways   sudden-changes   sudden-oak-death   sudden-transition   sulphur   sumava-national-park   sun   super-derecho   super-terminal-speed   supervised-training  


List of indexed keywords within the transdisciplinary set of domains which relate to the Integrated Natural Resources Modelling and Management (INRMM). In particular, the list of keywords maps the semantic tags in the INRMM Meta-information Database (INRMM-MiD). [\n] The INRMM-MiD records providing this list are accessible by the special tag: inrmm-list-of-tags ( ). ...


Systematic model error: the impact of increased horizontal resolution versus improved stochastic and deterministic parameterizations

Journal of Climate In Journal of Climate, Vol. 25, No. 14. (16 April 2012), pp. 4946-4962,


AbstractLong-standing systematic model errors in both tropics and extratropics of the ECMWF model run at a horizontal resolution typical for climate models are investigated. Based on the hypothesis that the misrepresentation of unresolved scales contributes to the systematic model error, three model refinements aimed at their representation?fluctuating or deterministically?are investigated.Increasing horizontal resolution to explicitly simulate smaller-scale features, representing subgrid-scale fluctuations by a stochastic parameterization, and improving the deterministic physics parameterizations all lead to a decrease in the systematic bias of the ...


Investigating the optimality of proactive management of an invasive forest pest

In The future of high-elevation, five-needle white pines in Western North America: Proceedings of the High Five Symposium (2011), pp. 295-302


This paper offers a preliminary investigation into the conditions under which it might be optimal to engage in proactive management of a non-timber forest resource in the presence of an invasive species whose spread is unaffected by management action. Proactive management is defined as treating an uninfected area to encourage healthy ecosystem function, given that the arrival of the invasive is inevitable. Inspired by the problem of white pine blister rust in the Rocky Mountain west of the United States, the ...

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Integrated Natural Resources Modelling and Management - Meta-information Database.

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Meta-information Database (INRMM-MiD).
This database integrates a dedicated meta-information database in CiteULike (the CiteULike INRMM Group) with the meta-information available in Google Scholar, CrossRef and DataCite. The Altmetric database with Article-Level Metrics is also harvested. Part of the provided semantic content (machine-readable) is made even human-readable thanks to the DCMI Dublin Core viewer. Digital preservation of the meta-information indexed within the INRMM-MiD publication records is implemented thanks to the Internet Archive.
The library of INRMM related pubblications may be quickly accessed with the following links.
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Full-text and abstracts of the publications indexed by the INRMM meta-information database are copyrighted by the respective publishers/authors. They are subject to all applicable copyright protection. The conditions of use of each indexed publication is defined by its copyright owner. Please, be aware that the indexed meta-information entirely relies on voluntary work and constitutes a quite incomplete and not homogeneous work-in-progress.
INRMM-MiD was experimentally established by the Maieutike Research Initiative in 2008 and then improved with the help of several volunteers (with a major technical upgrade in 2011). This new integrated interface is operational since 2014.