Comparing individual-tree approaches for predicting height growth of underplanted seedlings
نویسندگان
چکیده
منابع مشابه
Individual Tree Diameter, Height, and Volume Functions for Longleaf Pine
Currently, little information is available to estimate individual tree attributes for longleaf pine (Pinus palustris Mill.), an important tree species of the southeastern United States. The majority of available models are local, relying on stem diameter outside bark at breast height (dbh, cm) and not including stand-level parameters. We developed a set of individual tree equations to predict t...
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Underplanting tree seedlings in areas where natural regeneration is limited may offer a tool by which desired overstory composition can be maintained or restored in forests. However, invasive plant species and ungulate browsing may limit the effectiveness of underplanting, and in-turn, the successful restoration of forest ecosystems. Individually, the invasive shrub Lonicera maackii and browsin...
متن کاملIndividual-Tree Basal Area Growth, Survival, and Total Height Models for Upland Hardwoods in the Boston Mountains of Arkansas
Mod& were developed for individual-tree basal area growth, survival, and total heights for different species of upland hardwoods in the Boston Mountains of north Arkansas. Data used were from 87 permanentplots located in an array of different sites and stand ages; the plots were thinned to different stocking levels and included unthinned controls. To test these three tree models, stand developm...
متن کاملMaleic Hydrazide Unsuitable for Controlling Height Growth of Green Ash and Shumard Oak Seedlings
In southern nurseries, hardwood seedlings often grow so large that they are difficult to lift and plant. In a study at the Southern Hardwoods Laboratory, maleic hydrazide (MH) was tested as a means of halting height growth when seedlings reach suitable size. Seeds of green ash (Fraxinus pennsylvanica Marsh.) and Shumard oak (Quercus shumardii Buckl.) were nursery sown during the summer of 1961....
متن کاملZero-Safe Nets: Comparing the Collective and Individual Token Approaches
The main feature of zero-safe nets is a primitive notion of transition synchronization. To this aim, besides ordinary places, called stable places, zero-safe nets are equipped with zero places, which in an observable marking cannot contain any token. This yields the notion of transaction: a basic atomic computation, which may use zero tokens as triggers, but de nes an evolution between observab...
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ژورنال
عنوان ژورنال: Annals of Forest Science
سال: 2015
ISSN: 1286-4560,1297-966X
DOI: 10.1007/s13595-014-0453-6