نتایج جستجو برای: mingling

تعداد نتایج: 298  

Journal: :Annals of Forest Science 2021

We identified the significant spatial relationships between tree species mingling and size inequality in various species-rich natural forests South China. Forest communities with low mingling, or segregation of heterospecific trees, exhibited increased trees dissimilar sizes. Large were more likely to be associated high variation neighboring sizes would also increase neighborhood diversity. Num...

Journal: :Ecological Modelling 2021

• Correlations between spatial species-mingling and size-inequality indices are not consistent across different indices. When plotting the correlations of several species mingling size inequality indices, a correlation space is created. The interpretable shape reveals important ecological processes. Selecting four nearest neighbours popular in literature but does always benefit from correlation...

Journal: :Ecological Indicators 2021

With ongoing climate change at global scale we are currently losing biodiversity an unprecedented rate. The insurance hypothesis and associated research, however, suggest that has a major stabilising effect in ecosystems. In this situation, it is crucial to develop better understanding of natural processes maintaining for employing them conservation practice. forest ecosystems, spatial species ...

Journal: :Forests 2021

Tree biomass and the diversity relationship in mixed forest have an impact on ecosystem services provisions. yield is driven by several aspects such as species identity, site condition, stand density, tree age expressed mingling structural diversity. By comparing diverse degrees of mixtures natural forests, we can gain insight into provision level dynamic. Two monitoring sites Castilian Norther...

2006
ERIC H. CHRISTIANSEN DANIEL A. VENCHIARUTTI

Inclusions of quenched mafic magma occur in a 21 Ma rhyolite lava and precursory non-welded tuff that form the Spor Mountain Formation in west-central Utah. The mafic inclusions are not lithic inclusions; no comparable volcanic unit was present at the surface when the Spor Mountain Formation erupted. Mineral and bulk compositions preclude liquid immiscibility. The mafic inclusions show clear mo...

Journal: :Geochemistry Geophysics Geosystems 2022

Many andesites erupted at arc volcanoes are the products of magma mixing, and this process could be important in triggering their eruption. Throughout life Ngauruhoe volcano (?2.5 ka), lack macroscopic enclaves or lithological features mingled magma. However, intricate microscopic mixing mingling occur. Plagioclase phenocrysts have a wide range textures. Their diverse 87Sr/86Sr values (0.7039–0...

Journal: :Minerals 2021

The eruptive products of the last 1000 years at La Fossa volcano on island Vulcano (Italy) are characterized by abrupt changes chemical composition that span from latite to rhyolite. wide variety textural features these has given rise several petrological models dealing with mingling/mixing processes involving mafic-intermediate and rhyolitic magmas. In this paper, we use published whole-rock d...

Journal: :journal of sciences, islamic republic of iran 2010
s khalili mobarhan

mount bidkhan stratovolcano is located in the central iranian volcanic belt. it is composed of several types of pyroclastic deposits, lava flows and intrusive bodies. textural and chemical characteristics of plagioclase phenocrysts from the eruptive products volcanic edifice, record complex magma mixing events over the lifetime of the volcano. evidences such as xenocrystic high al+ti clinopyrox...

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