نتایج جستجو برای: increment of basal area

تعداد نتایج: 21192787  

2005
W. H. McNab D. L. Loftis

Composite indices of site moisture and fertility regimes, site variables, and individual tree species were tested for their relationship with site productivity on forest survey plots in the southern Appalachian Mountains. Mew annual basal area increment was significantly associated with the fertility index and site variables including elevation, slope gradient, and stand merchantable size. Four...

Journal: :Journal of neurology, neurosurgery, and psychiatry 1988
R J Polinsky I L Taylor V Weise I J Kopin

High basal gastrin levels in pure autonomic failure could result from peripheral vagus nerve involvement, whereas the increased response during hypoglycaemia may reflect adrenergic supersensitivity. A reduced gastrin increment in multiple system atrophy was found following insulin-hypoglycaemia and is consistent with decreased gastrin release secondary to diminished central sympathetic nervous ...

Journal: :Forests 2021

Temperature and precipitation variability throughout the year control intra-annual dynamics of tree-ring formation. Physiological adaptation trees to climate change is among key issues better understand predict future forest performance composition. In this study, we investigated species’ coexistence Scots pine pubescent oak growing in a mixed sub-Mediterranean northeast Iberian Peninsula. We a...

Journal: :Journal of Forestry 2023

Abstract Hardwoods resprouting after wildfire or cutting develop as multistemmed clumps that gradually self-thin over time. There is increasing interest in thinning of sprouting species to accelerate the formation tree characteristics important indigenous cultural practices and wildlife such large-diameter stems, large branches, broad crowns, acorn production. We compared responses three treatm...

Journal: :International Journal of Progressive Sciences and Technologies 2021

We studied the mechanisms of transformation some salivary enzymes and established real contribution glands to enzymatic homeostasis body in unilateral nephrectomy.The results were obtained that with nephrectomy, content amylase pepsinogen blood increases, but its lipolytic activity remains unchanged, volume basal secretion glands, release by parotid gland increases. Unilateral nephrectomy stimu...

A. Sadeghi Moghadam M. Mayahi N. Erfani Majd,

This study was conducted because of influence of prebiotics (alphamune) and symbiotic (biomin) on histometrical development of small intestine and lymphatic tissue of caecal tonsil have been not reported on broiler chicken. In this study, different parts of small intestine and caecal tonsil, which is a major area of gut associated lymphatic tissue (GALT) in chicken were selected. One hundred an...

Journal: :Phytopathology 2011
M O Kimberley I A Hood R L Knowles

Phaeocryptopus gaeumannii, the cause of Swiss needle-cast, is widely distributed in plantations of Douglas-fir in many parts of the world. Nevertheless, information remains limited on its precise effect on stand growth, particularly in relation to regional climate, and on its consequent economic cost. In New Zealand, the spread of P. gaeumannii over a period of ≈30 years following its discovery...

Journal: :The Journal of Cell Biology 1979
P N Devreotes T L Steck

The secretion of 3H-cyclic adenosine 3',5'-monophosphate (cAMP) by prelabeled and suitably differentiated Dictyostelium discoideum amoebae was elicited in a perfusion apparatus by 10(-10) to 10(-5) M [14C]cAMP stimuli of defined magnitude and duration. Exogenous stimuli evoked an immediate increase in the rate of [3H]cAMP secretion which accelerated continuously to reach a peak of up to 100 tim...

Journal: :Environmental science and pollution research international 2016
Sandra Metslaid John A Stanturf Maris Hordo Henn Korjus Diana Laarmann Andres Kiviste

Afforestation on reclaimed mining areas has high ecological and economic importance. However, ecosystems established on post-mining substrate can become vulnerable due to climate variability. We used tree-ring data and dendrochronological techniques to study the relationship between climate variables and annual growth of Scots pine (Pinus sylvestris L.) growing on reclaimed open cast oil shale ...

Journal: :Forests 2022

Proactive silviculture treatments (e.g., thinning) may increase C sequestration contributing to climate change mitigation, although, there are still questions about this effect in Mediterranean pine forests. The aim of research was quantify the storage biomass and soil organic carbon Pinus forests along a climatic gradient from North South Iberian Peninsula. Nine experimental spp trials were se...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید