light availability
Kauri trees (Agathis australis) affect nutrient, water and light availability for their seedlings
... the availability of nutrients in the soil beneath their ...nutrient availability would be positive for the survival of kauri seedlings as they are known to use nutrients more efficiently than angiosperm ...
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Physiological characteristics of the seagrass Posidonia sinuosa along a depth-related gradient of light availability
... reduced light conditions. However, when light is attenuated across a depth gradient, the relative importance of this over other mechanisms for tolerating long-term light reduction (such as ...
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Variability in leaf and crown morphology correlated with light availability in five natural populations of Quercus castaneifolia C.A. Mey
... a light gradient under controlled conditions in a ...of light availability. The seedling responses to low light include the proportional allocation of more biomass to leaves, leading to higher ...
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The effects of local variation in light availability on pollinator visitation, pollen and resource limitation of female reproduction in Hosta ventricosa
... In population SNC, pollen supplementation did not enhance fruit and seed production at the whole popu- lation level, indicating a lack of pollen limitation. These results are in accordance with those of Niesenbaum (1993) ...
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Hydrogeomorphic controls on benthic light availability in rivers
... to light (Koch et ...of light availability and hydraulic residence time, most rivers have few, if any, suitable reaches to sustain large enough concentrations of PHYTO to significantly influence ...
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The Effects of Fertilization and Light Availability on Early Survival and Growth of Backcross Hybrid American Chestnuts.
... of light availability for the ...varying light regimes, and concluded that the species is intermediate in shade ...target light levels to optimize survival and growth under this ...
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Morphological, growth and meadow characteristics of the seagrass Posidonia sinuosa along a depth-related gradient of light availability
... of light availability also indi- cate that photosynthetic characteristics including pho- tosynthetic and photoprotective pigments and electron transport rates also do not follow the light gradient ...
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Effects of experimental reduction of light availability on the seagrass Amphibolis griffithi
... reduced light availability within a 1 mo period; these variables may be useful as sub-lethal indicators of light-reduction stress in Amphibolis ...to light reduction in other seagrass ...
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Bio-optical characterization and light availability parameterization in Uummannaq Fjord and Vaigat–Disko Bay (West Greenland)
... of light availability within these meltwater-influenced Arctic systems based on water sample analysis and data from common bio-optical sensors (fluorescence and turbidity) pro- vided by CTD ...underwater ...
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The effect of light availability on leaf area index, biomass production and plant species composition of park grasslands in Warsaw
... Park grass communities have many functions in urban areas (Potchter et al. 2006, Tlustoš et al. 2006, Godefroid et al. 2007). To obtain park areas with high quality is particularly difficult task, mainly due to the ...
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Retrieving the availability of light in the ocean utilising spectral signatures of vibrational Raman scattering in hyper-spectral satellite measurements
... ambient light conditions directly affect the num- ber of scattering events on water molecules, which produce a change in the VRS signal ...of light propagating through the ...the light availabil- ity ...
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Sediment resuspension and deposition on seagrass leaves impedes internal plant aeration and promotes phytotoxic H2S intrusion
... reduced light availability impeding seagrass photosynthesis ...reduce light transmission through the water-column (Cutroneo et ...in light availability can cause pronounced declines in ...
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Light environments occupied by conifer and angiosperm seedlings in a New Zealand podocarp–broadleaved forest
... of light environments. We quantified the light environments (% diffuse light availability) naturally occupied by large seedlings (50–200 cm tall) of these two conifers and five co-occurring ...
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Counteracting gradients of light and soil nutrients in the understorey of Mediterranean oak forests
... Detection and evaluation of the indirect effects of the canopy mediated by litter accumulation and soil changes on the growth and survival of understorey plants are not easy. Firstly, the complex and multivariate nature ...
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The water relations and irrigation requirements of lychee (litchi chinensis sonn.): a review
... Effects of leaf, shoot and fruit development on photosynthesis of lychee trees ( Litchi chinensis ).. Effects of light availability on leaf gas exchange and expansion in lychee ( Litchi [r] ...
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Physiological Mechanisms that Govern Size-dependent Resprouting Success in Fire-prone Savannas.
... The need to maintain a positive carbon balance is a universal constraint upon plants in any environment. Ultimately, growth, reproduction, and survival are dependent upon the ability of a plant to acquire more carbon ...
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Light levels affect carbon utilisation in tropical seagrass under ocean acidification
... primarily light-limited [8]. The range of light levels used in this experiment, representing the recent light exposure history (~ five years) of the seagrasses at their source meadow, was already ...
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Thesis
... low light—affects forest community dynamics, and may drive succession from herbaceous to forest communities (Loach ...to light limitation, and high carbon loss due to loss of tissue and high respiration ...
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Giant clams and rising CO2: light may ameliorate effects of ocean acidification on a solar-powered animal
... the light, are similar to findings in the current study of reduced tolerance to ocean acidification in giant clams at lower light ...excessive light (PAR levels beyond those used in this study), and ...
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... corridors and wards providing ample source of natural light and cross ventilation. There is a nursery and herbal garden, spread over an area of 3300 square metres and another green belt consisting of around 2000 ...
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