نتایج جستجو برای: iwao s patchiness regression

تعداد نتایج: 1013061  

Journal: Iranian Economic Review 2001

In this paper we intend to improve the explanatory power of regressions when the deletion method is used for the remedy of Multicolinearity. If one deletes the variable (s) that is (are) responsible for Multicolinearity, he loses some information that is not common between the deleted variable (s) and the other remaining variables in the regression. To improve this method, we run the deleted va...

Journal: :iranian economic review 0

in this paper we intend to improve the explanatory power of regressions when the deletion method is used for the remedy of multicolinearity. if one deletes the variable (s) that is (are) responsible for multicolinearity, he loses some information that is not common between the deleted variable (s) and the other remaining variables in the regression. to improve this method, we run the deleted va...

Journal: :Science 2004
Max Rietkerk Stefan C Dekker Peter C de Ruiter Johan van de Koppel

Unexpected sudden catastrophic shifts may occur in ecosystems, with concomitant losses or gains of ecological and economic resources. Such shifts have been theoretically attributed to positive feedback and bistability of ecosystem states. However, verifications and predictive power with respect to catastrophic responses to a changing environment are lacking for spatially extensive ecosystems. T...

2003
Robert Ewers

The effect of honeydew density on arthropod community structure was investigated in the Nothofagus forest of Nelson Lakes National Park, New Zealand. Pitfall trapping revealed no community response to honeydew density, whereas sticky trapping showed the community composition of trunk-dwelling arthropods varied along a honeydew gradient. Mycetophilidae, Staphylinidae, Pteromalidae and Margarodid...

Journal: :Global Ecology and Biogeography 2022

Aim The aim was to characterize fire regimes and estimate regime parameters (area burnt, size, intensity, season, patchiness pyrodiversity) at broad spatial scales using remotely sensed individual-fire data. Location Western part of the Palaearctic realm (i.e., Europe, North Africa Near East). Time period 2001–2021. Methods Initially, I divided study area into eight large ecoregions based on th...

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