• Nenhum resultado encontrado

Oak stands

Estimation of stand crown cover using a generalized crown diameter model: application for the analysis of portuguese cork oak stands stocking evolution

Estimation of stand crown cover using a generalized crown diameter model: application for the analysis of portuguese cork oak stands stocking evolution

... For both the above data sets the follo- wing stand parameters were calculated: number of trees per hectare (N), basal area (Gu), dominant diameter (dudom), domi- nant height (hdom) and quadratic mean diameter (dug). All ...

8

Litter fall and nutrient status of green leaves and leaf litter at various compound ratios of fertilizer in sawtooth oak stands, Korea

Litter fall and nutrient status of green leaves and leaf litter at various compound ratios of fertilizer in sawtooth oak stands, Korea

... N concentrations of the green leaves were signifi cantly higher in the compound ratios of fertilizer (N 3 P 4 K 1 , N 6 P 4 K 1 , N 3 P 8 K 1 ) than in the N 0 P 0 K 0 treatment, but the N concentrations of the leaf ...

12

The influence of mature oak stands and spruce plantations on soil-dwelling click beetles in lowland plantation forests

The influence of mature oak stands and spruce plantations on soil-dwelling click beetles in lowland plantation forests

... sessile oak (Quercus petraea) stands and non-indigenous Norway spruce (Picea abies) plantations, with respect to communities of Athous click beetles in approximately 6,500 ha of lowland plantation forest ...

14

An individual tree growth model for juvenile cork oak stands in southern Portugal

An individual tree growth model for juvenile cork oak stands in southern Portugal

... cork oak are distinct because of the periodic debarking of the stem and branches that characterizes the adult ...juvenile stands in growth and yield ...cork oak stands for general application ...

12

EVALUATION OF ORIGIN OF OLD-GROWTH OAK STANDS IN SHIPOV FOREST ACCORDING TO DENDROCHRONOLOGICAL STUDIES DATA Оценка происхождения старовозрастных дубовых древостоев в Шиповом лесу по данным дендрохронологических исследований

EVALUATION OF ORIGIN OF OLD-GROWTH OAK STANDS IN SHIPOV FOREST ACCORDING TO DENDROCHRONOLOGICAL STUDIES DATA Оценка происхождения старовозрастных дубовых древостоев в Шиповом лесу по данным дендрохронологических исследований

... Цель работы заключалась в выявлении и оценке различий многолетней динамики радиального прироста средних по размерам деревьев дуба черешчатого в спелых и перестойных древостоях семенного [r] ...

12

Research and Development Protocol for Cork Oak Woodland in Portugal

Research and Development Protocol for Cork Oak Woodland in Portugal

... cork oak stands, and their operators are well trained for the task regarding the visual classification of cork quality, following the same standards used by the cork ...

10

Economic implications of different cork oak forest management systems

Economic implications of different cork oak forest management systems

... cork oak (CORKFITS) and is currently developing an ecological based decision support system (ECCORK) for aid in management decisions for cork oak ...

9

Assessing adaptive genetic variation in cork oak expressed genes

Assessing adaptive genetic variation in cork oak expressed genes

... Cork oak (Quercus suber ...largest stands of cork oak are located, this tree is particularly ...Cork oak stands have been facing a significant decline by the lack of regeneration, ...

93

Modelling height distribution on young cork oak plantations in Portugal

Modelling height distribution on young cork oak plantations in Portugal

... cork oak stands, and considering cork as one of the main products (Tomé et ...cork oak in Portugal, presently incorporated in the user – friendly sIMfLOR platform (Faias et ...cork oak (Tomé ...

65

Predicting site index from climate and soil variables for cork oak (Quercus suber L.) stands in Portugal

Predicting site index from climate and soil variables for cork oak (Quercus suber L.) stands in Portugal

... cork oak stands are currently distributed confirms the optimum distribution of cork oak in coastal ...cork oak is not wood but cork, cork growth and quality distribution and influencing ...

16

Hybrids between cork oak and holm oak: Isoenzyme analysis

Hybrids between cork oak and holm oak: Isoenzyme analysis

... holm oak, while in cork oak it appeared always as a single band, rather strong by comparison (figure ...cork oak (no variation in 929 individuals analysed) while in holm oak three common ...

33

Alternative splicing detection across different tissues in cork oak

Alternative splicing detection across different tissues in cork oak

... cork oak, predicting new alterna- tive splicing forms of genes expressed in four different ...cork oak genome version is still a draft and no correct gene models can be used to test precision and recall, ...

75

SEED CONDITIONING OF RED OAK: A RECALCITRANT NORTH AMERICAN SEED

SEED CONDITIONING OF RED OAK: A RECALCITRANT NORTH AMERICAN SEED

... This study describes a seed conditioning system for red oak, a recalcitrant North American species. The goals of the research were to develop a seed conditioning treatment that insures high germination ...

7

Size–density trajectory in regenerated maritime pine stands after fire.

Size–density trajectory in regenerated maritime pine stands after fire.

... young stands located in northern and central regions of Portugal (sets S2 an S3) naturally regenerated after a fire and display a variety of size–density values, which are representative of these forest ...to ...

14

Economic implications of different cork oak forest management systems

Economic implications of different cork oak forest management systems

... As it was said before, forest in general and forest cork oak in particular is a multifunctional production ecosystem that can benefit society with many goods and services. Some of these goods and services are ...

10

Variation of ring width and wood density in two unmanaged stands of the Mediterranean oak Quercus faginea

Variation of ring width and wood density in two unmanaged stands of the Mediterranean oak Quercus faginea

... Abstract: Ring width and wood density variation were studied from pith-to-bark and along the stem in two naturally regenerated stands of Quercus faginea Lam. in Portugal. Ring width was significantly different ...

10

Cork oak (Quercus suber L.) seedlings acclimate to elevated

Cork oak (Quercus suber L.) seedlings acclimate to elevated

... conductivity  Leaf and wood anatomy  Photosynthesis  Quercus suber  Soil water stress.. Introduction.[r] ...

13

Spatial occupancy patterns of carnivores in a cork oak landscape

Spatial occupancy patterns of carnivores in a cork oak landscape

... Stone marten results evidenced the importance of habitat related variables, corroborating the well- known effects of forested habitats on this mustelid, particularly emphasizing the role of cork (or holm) oak ...

53

Micropropagation in elite corck oak trees: a tool for suber production improvement?

Micropropagation in elite corck oak trees: a tool for suber production improvement?

... cork oak cultures from nodal segments of 12 month-old ...cork oak (Manzanera and Pardos, ...cork oak after inoculation on MS medium (Murashige and Skoog, ...

170

Photosynthetic efficiency of Pedunculate oak seedlings under simulated water stress

Photosynthetic efficiency of Pedunculate oak seedlings under simulated water stress

... We used 3+0 years old seedlings of Pedunculate oak, obtained from the nursery of Srbijašume in Rogot. These seedlings were taken from the nursery during the March, before the vegetation season have started, and ...

12

Show all 204 documents...

temas relacionados