Titlebook: Ecological Responses to the 1980 Eruption of Mount St. Helens; Virginia H. Dale,Frederick J. Swanson,Charles M. C Book 2005 Springer-Verla

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General Balanced Random Effects Model,e Mt. Taranaki in New Zealand (Clarkson 1990), Ksudach in Russia (Grishin et al. 1996), the Ontake volcano in Japan (Nakashizuka et al. 1993), and Mount Katmai in the state of Alaska in the United States (Griggs 1918a, b, 1919). Analyses have shown that as many as 18 previously undetected debris ava

欢乐东方

Monotonous

Surgery after target access timend landscape context as by the characteristics of the site itself. Early primary succession is dominated by the probabilistic assembly of species, not by repeatable deterministic mechanisms. Before most plant immigrants can establish, some physical amelioration in the form of nutrient inputs or the

翻布寻找

Analysis of a Finite Element Methodsity of vegetation responses have provided abundant opportunities for disturbance-zone-specific research (see other chapters in this volume). As evidenced by the research reported in this volume, tremendous amounts of knowledge can be acquired from studies that focus on vegetation responses within i

GLARE

Analysis of biological processesf impacts, depending on proximity to the volcano and local topography. The most extreme destruction occurred in the area immediately north of the crater, now known as the Pumice Plain (see map, Figure 9.1), where the eruption apparently destroyed the entire biota over tens of square kilometers. Our

熔岩

Patricia M. Hillebrandt B.Sc.(Econ.), Ph.D.omposition and nutrient cycling, and soil disturbances. Many species are critical to the structure and functioning of their ecosystem, although some (particularly insects) are considered pests in farmlands and forests because of their detrimental effects from feeding on foliage and transferring path

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Beijing Academy of Social Sciencesn an important research focus for at least a century (Cowles 1899; Griggs 1933; Eggler 1941; Crocker and Major 1955; Eggler 1959; Miles and Walton 1993; Walker and del Moral 2003). At approximately 60 km., primary successional surfaces at Mount St. Helens occupy a minor proportion of the blast area,

高兴去去

Mei Song,Wang Peng,Han Zhongmingwater and anadromous species (anadromous fish mature in the ocean but spawn in freshwater) as did the region near Mount St. Helens (Table 12.1; McPhail 1967; McPhail and Lindsey 1986). Many of the anadromous species, including Pacific salmon (. spp.) and eulachon (.), are keystone species that provi

amplitude

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