منابع مشابه
Complementarity effects on tree growth are contingent on tree size and climatic conditions across Europe
Neglecting tree size and stand structure dynamics might bias the interpretation of the diversity-productivity relationship in forests. Here we show evidence that complementarity is contingent on tree size across large-scale climatic gradients in Europe. We compiled growth data of the 14 most dominant tree species in 32,628 permanent plots covering boreal, temperate and Mediterranean forest biom...
متن کاملGeneralized Milankovitch Cycles and Longterm Climatic Habitability
Although the Earth’s orbit is never far from circular, terrestrial planets around other stars might experience substantial changes in eccentricity. Eccentricity variations could lead to climate changes, including possible “phase transitions” such as the snowball transition (or its opposite). There is evidence that Earth has gone through at least one globally frozen, “snowball” state in the last...
متن کاملSpatiotemporal Variability in Tree Growth in the Central Pyrenees: Climatic and Site Influences
To understand how tree growth has responded to recent climate warming, an understanding of the tree–climate–site complex is necessary. To achieve this, radial growth variability among 204 trees established before 1850 was studied in relation to both climatic and site factors. Seventeen forest stands were sampled in the Spanish Central Pyrenees. Three species were studied: Pinus uncinata, Abies ...
متن کاملLong-term monitoring of climatic and nutritional affects on tree growth in interior Alaska1
The comparative analysis of a large set of long-term fertilization and thinning studies in the major forest types of interior Alaska is summarized. Results indicate that nutrient limitations may only occur during the early spring growth period, after which moisture availability is the primary control of tree growth on warm sites. The temperature dynamics of both air and soil set seasonal bounds...
متن کاملDivergent tree growth response to recent climatic warming, Lake Clark National Park and Preserve, Alaska
[1] Many dendroclimatic studies have been conducted in Alaska to understand recent climate changes, identify past and current warming trends, and determine how climate change may influence ecosystems. Four new white spruce (Picea glauca [Moench] Voss) ring-width chronologies from four sites along a 30 kilometer north-south transect in the Lake Clark National Park and Preserve on the Alaskan Pen...
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ژورنال
عنوان ژورنال: Nature
سال: 1920
ISSN: 0028-0836,1476-4687
DOI: 10.1038/105562a0