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Selection: with tag solar-radiation [40 articles] 

 

New temperature-based models for predicting global solar radiation

  
Applied Energy, Vol. 179 (October 2016), pp. 437-450, https://doi.org/10.1016/j.apenergy.2016.07.006

Abstract

[Highlights] [::] New temperature-based models for estimating solar radiation are investigated. [::] The models are validated against 20-years measured data of global solar radiation. [::] The new temperature-based model shows the best performance for coastal sites. [::] The new temperature-based model is more accurate than the sunshine-based models. [::] The new model is highly applicable with weather temperature forecast techniques. [Abstract] This study presents new ambient-temperature-based models for estimating global solar radiation as alternatives to the widely used sunshine-based models owing to the unavailability of sunshine data at ...

 

WorldClim 2: new 1-km spatial resolution climate surfaces for global land areas

  
International Journal of Climatology (15 May 2017), https://doi.org/10.1002/joc.5086

Abstract

We created a new dataset of spatially interpolated monthly climate data for global land areas at a very high spatial resolution (approximately 1 km2). We included monthly temperature (minimum, maximum and average), precipitation, solar radiation, vapour pressure and wind speed, aggregated across a target temporal range of 1970–2000, using data from between 9000 and 60 000 weather stations. Weather station data were interpolated using thin-plate splines with covariates including elevation, distance to the coast and three satellite-derived covariates: maximum and minimum land surface ...

 

Simultaneous estimation of daily solar radiation and humidity from observed temperature and precipitation: an application over complex terrain in Austria

  
Agricultural and Forest Meteorology, Vol. 104, No. 4. (15 September 2000), pp. 255-271, https://doi.org/10.1016/s0168-1923(00)00170-2

Abstract

Using daily observations of temperature, precipitation, radiation, and humidity from 24 stations spanning a large elevation gradient in Austria, we tested several previously defined algorithms for estimating daily radiation and humidity. The estimation algorithms were first tested independently, and then combined, resulting in a combined algorithm for estimating both radiation and humidity that relies only on temperature and precipitation inputs. Mean absolute errors (MAE) for joint radiation and humidity estimates were 2.52 MJ m −2 per day and 85.6 Pa, respectively, close to values ...

 

On the relationship between incoming solar radiation and daily maximum and minimum temperature

  
Agricultural and Forest Meteorology, Vol. 31, No. 2. (May 1984), pp. 159-166, https://doi.org/10.1016/0168-1923(84)90017-0

Abstract

A relationship between atmospheric transmittance and the daily range of air temperature is developed. The relationship is T t = A [1— exp (— BΔT c )] where T t is the daily total atmospheric transmittance, ΔT is the daily range of air temperature, and A, B, and C are empirical coefficients, determined for a particular location from measured solar radiation data. Tests on three data sets indicate that 70–90% of the variation in daily solar radiation can be accounted for ...

 

Water use in neighbouring stands of beech (Fagus sylvatica L.) and black alder (Alnus glutinosa (L.) Gaertn.)

  
Annals of Forest Science, Vol. 56, No. 2. (1999), pp. 107-120, https://doi.org/10.1051/forest:19990203

Abstract

In neighbouring stands of beech and black alder in northern Germany, transpiration, soil evaporation and interception evaporation were estimated for four meteorologically different years. By means of standard weather data a two-layer evaporation model of the Shuttleworth-Wallace type was applied. In the 105-year-old beech forest (tree height 29 m, maximum leaf area index 4.5), annual transpiration (Tr) varied between 326 and 421 mm (mean 389 mm or 50 % of gross precipitation, PG) and annual evapotranspiration (ET) between 567 and 665 ...

 

Regional estimation of woodland moisture content by inverting Radiative Transfer Models

  
Remote Sensing of Environment, Vol. 132 (May 2013), pp. 59-70, https://doi.org/10.1016/j.rse.2013.01.004

Abstract

[Abstract] We inverted the PROSPECT and GEOSAIL Radiative Transfer Models (RTM) using Moderate Resolution Imaging Spectrometer (MODIS) data to retrieve Live Fuel Moisture Content (LFMC) in woodlands located in the peninsular territory of Spain. Ecological rules were used to parameterize the RTM. This approach reduces the probability of an ill-posed problem in the inversion of the selected RTMs, by rejecting unrealistic combinations of input parameters. Three species representatives of each region were used to derive the ecological rules: Quercus ilex L., Quercus ...

 

Ecohydrology of an outbreak: mountain pine beetle impacts trees in drier landscape positions first

  
Ecohydrology, Vol. 6, No. 3. (June 2013), pp. 444-454, https://doi.org/10.1002/eco.1286

Abstract

Vegetation pattern and landscape structure intersect to exert strong control over ecohydrological dynamics at the watershed scale. The hydrologic implications of vegetation disturbance (e.g. fire, disease) depend on the spatial pattern and form of environmental change. Here, we investigate this intersection at Tenderfoot Creek Experimental Forest (TCEF), Montana, with a focus on the mountain pine beetle (Dendroctonus ponderosae) epidemic currently affecting the Rocky Mountains. We calibrated QuickBird remote sensing imagery with a leaf-level spectral library of local vegetation. We used this ...

 

Characteristics of Norway spruce trees (Picea abies) surviving a spruce bark beetle (Ips typographus L.) outbreak

  
Trees - Structure and Function In Trees, Vol. 25, No. 6. (24 May 2011), pp. 965-973, https://doi.org/10.1007/s00468-011-0571-9

Abstract

The characteristics of spruce individuals, which survived a massive bark beetle outbreak, were compared with the characteristics of neighbouring attacked trees in Šumava National Park (Czech Republic). Selected parameters related to crown geometry, stand conditions and distances between trees were measured or estimated. Significant differences were found between the surviving trees and the neighbouring trees attacked by I. typographus. Trees with a higher level of stem shading (longer crown length) tended to survive. The attacked trees were usually located in areas ...

 

Evidences of drought stress as a predisposing factor to Scots pine decline in Valle d’Aosta (Italy)

  
European Journal of Forest Research In European Journal of Forest Research, Vol. 131, No. 4. (25 October 2012), pp. 989-1000, https://doi.org/10.1007/s10342-011-0570-9

Abstract

Scots pine ( Pinus sylvestris L.) forests of many inner Alpine valleys have recently displayed a quick loss of vitality. A decline disease has been suggested as the cause, with drought as the main predisposing factor and the additional contribution of biotic agents inciting tree dieback. This study is focused on Valle d’Aosta, a dry, inner-Alpine region in NW Italy. We inferred vitality changes between years 2000 and 2007 by computing reductions in enhanced vegetation index (EVI). Image differencing was carried ...

 

Homogenization in forest performance across an environmental gradient – The interplay between rainfall and topographic aspect

  
Forest Ecology and Management, Vol. 310 (December 2013), pp. 256-266, https://doi.org/10.1016/j.foreco.2013.08.026

Abstract

[Highlights] [::] Large- and small-scale factors interact in their effect on forest performance. [::] Performance homogenization across habitats was linearly related to rainfall. [::] Homogenization was associated with drought conditions, both in time and space. [Abstract] This study aimed to investigate the interaction between local and regional environmental factors that affect forest performance during drought periods. In previous studies, contradictory results regarding the effect of aspect on forests performance, under different settings, were reported. However, each study focused on a different forest ecosystem at a different ...

 

Drought triggered tree mortality in mixed conifer forests in Yosemite National Park, California, USA

  
Forest Ecology and Management, Vol. 218, No. 1-3. (October 2005), pp. 229-244, https://doi.org/10.1016/j.foreco.2005.07.014

Abstract

Tree mortality is an important process causing forest structural and compositional change. In this study, we investigate the influence of drought and topography on recent patterns of tree mortality in old-growth mixed conifer forests in Yosemite National Park, located in the Sierra Nevada Mountains of northern California, USA. The surveyed stands have experienced a century of fire exclusion and are dominated by associations of Pinus ponderosa, Calocedrus decurrens and Abies concolor. The average age of trees in the stands was 88 ...

 

Plant-pest interactions in time and space: a Douglas-fir bark beetle outbreak as a case study

  
Landscape Ecology, Vol. 14, No. 2. (1999), pp. 105-120, https://doi.org/10.1023/a%3a1008017711917

Abstract

A conceptual model of Douglas-fir bark beetle (Dendroctonus pseudotsugae) dynamics and associated host tree mortality across multiple spatial and temporal scales was developed, then used to guide a study of the association between the occurrence of beetle- killed trees and factors that might render trees more susceptible to attack. Long-term records of beetle kill showed that beetle epidemics were associated with windstorms and drought at statewide and local spatial scales. At the landscape scale, beetle kill was associated with (i) portions ...

 

Fine-scale spruce mortality dynamics driven by bark beetle disturbance in Babia Góra National Park, Poland

  
European Journal of Forest Research, Vol. 135, No. 3. (2016), pp. 507-517, https://doi.org/10.1007/s10342-016-0949-8

Abstract

Bark beetle outbreaks have had major impacts on Norway spruce forests in Europe. The large majority of these forests are located in areas under forest management; thus, few studies have investigated outbreak-driven spruce mortality patterns unaffected by humans. Our study examined spruce mortality resultant from a beetle outbreak in a high-elevation, unmanaged forest over a 17-year span. We analyzed three tree-level survivorship and DBH datasets collected during pre-, mid-, and post-outbreak conditions to evaluate long-term mortality dynamics. We measured changes in ...

 

Tree and stand-level patterns and predictors of Norway spruce mortality caused by bark beetle infestation in the Tatra Mountains

  
Forest Ecology and Management, Vol. 354 (October 2015), pp. 261-271, https://doi.org/10.1016/j.foreco.2015.06.006

Abstract

This study investigates temporal shifts in Norway spruce (Picea abies) mortality, stand structure characteristics, and stand complexity facilitated by a bark beetle (Ips typographus) outbreak that affected an unmanaged subalpine forest region in Tatra National Park, Poland in the late 2000s. Changes in survivorship and stand structure characteristics (diameter (DBH), basal area, height, age, and crown length ratio) of nearly 2500 spatially-referenced trees located in 64 long-term survey plots were compared over four time periods that spanned the duration of the ...

 

Determining landscape fine fuel moisture content of the Kilmore East ‘Black Saturday’ wildfire using spatially-extended point-based models

  
Environmental Modelling & Software, Vol. 40 (February 2013), pp. 98-108, https://doi.org/10.1016/j.envsoft.2012.08.008

Abstract

[Abstract] Fuel moisture is the most dynamic component of bushfire fuels. It varies rapidly both spatially and temporally and plays a significant role in determining the behaviour and spread of bushfires, particularly through combustibility and ease of ignition of dead fine fuels (i.e. particle diameter <6 mm). The Kilmore East fire in Victoria, Australia, on 7 February, 2009 (“Black Saturday”) was the most destructive bushfire in Australia's history. Its behaviour was characterised by mass spotting (the launch, transport and landing of burning ...

 

Quantifying the effects of topographic aspect on water content and temperature in fine surface fuel

  
International Journal of Wildland Fire, Vol. 24, No. 8. (2015), 1129, https://doi.org/10.1071/wf14195

Abstract

This study quantifies the effects of topographic aspect on surface fine fuel moisture content (FFMC) in order to better represent landscape-scale variability in fire risk. Surface FFMC in a eucalypt forest was measured from December to May (180 days) on different aspects using a novel method for in situ monitoring of moisture content (GWClit) and temperature (Tlit) in litter. Daily mean GWClit varied systematically with aspect. North (0.07 ≤ GWClit ≤ 1.30 kg kg–1) and south (0.11 ≤ GWClit ≤ 1.83 ...

 

Correlations between components of the water balance and burned area reveal new insights for predicting forest fire area in the southwest United States

  
International Journal of Wildland Fire, Vol. 24, No. 1. (2015), 14, https://doi.org/10.1071/wf14023

Abstract

We related measurements of annual burned area in the southwest United States during 1984–2013 to records of climate variability. Within forests, annual burned area correlated at least as strongly with spring–summer vapour pressure deficit (VPD) as with 14 other drought-related metrics, including more complex metrics that explicitly represent fuel moisture. Particularly strong correlations with VPD arise partly because this term dictates the atmospheric moisture demand. Additionally, VPD responds to moisture supply, which is difficult to measure and model regionally due to ...

 

Modeling monthly near-surface air temperature from solar radiation and lapse rate: application over complex terrain in Yellowstone national park

  
Physical Geography, Vol. 29, No. 2. (1 March 2008), pp. 158-178, https://doi.org/10.2747/0272-3646.29.2.158

Abstract

Spatially distributed surface temperature over complex topography is important to many ecological processes, but it varies spatially and temporally in complex ways and is difficult to measure at landscape scales at tens of meters resolution. Our goal is to develop a methodology that accurately predicts surface temperature in mountain ecosystems. First, we modeled monthly incoming solar radiation (insolation) based on topography and observed variation in atmospheric conditions, and accounting for site latitude, elevation, and surface orientation (slope and aspect), daily and ...

 

Multiscale computation of solar radiation for predictive vegetation modelling

  
Annals of Forest Science, Vol. 64, No. 8. (2007), pp. 899-909, https://doi.org/10.1051/forest%3a2007072

Abstract

The recent development of large environmental databases allow the analysis of the ecological behaviour of species or communities over large territories. Solar radiation is a fundamental component of ecological processes, but is poorly used at this scale due to the lack of available data. Here we present a GIS program allowing to calculate solar radiation as well locally as at large scale, taking into account both topographical (slope, aspect, altitude, shadowing) and global (cloudiness and latitude) parameters. This model was applied ...

 

A geometric solar radiation model with applications in agriculture and forestry

  
Computers and Electronics in Agriculture, Vol. 37, No. 1-3. (December 2002), pp. 25-35, https://doi.org/10.1016/s0168-1699(02)00115-1

Abstract

Incoming solar radiation (insolation) is fundamental to most physical and biophysical processes because of its role in energy and water balance. We calculated insolation maps from digital elevation models, using an insolation model that accounts for atmospheric conditions, elevation, surface orientation, and influences of surrounding topography. Herein, we focus on the application of this insolation model for spatial interpolation of soil temperature measurements over complex topography at landscape scales. Existing interpolation techniques generally apply only at continental or broad regional scales ...

 

Solar radiation and forest fuel moisture

  
Journal of Agricultural Research, Vol. 67, No. 4. (1943), pp. 149-176

Abstract

A major contribution to progress in forest fire prevention and control during the past 10 years has been the development and widespread application of methods of rating forest fire danger. Fire danger rating systems are now in use in all the forest regions of the United States. They have been described by Gisborne, Brown and Davis, Curry et al., Matthews, Jemison, and others. Under each of these systems the major factors affecting fire danger are measured and the measurements are integrated ...

 

Deep cognitive imaging systems enable estimation of continental-scale fire incidence from climate data

  
Scientific Reports, Vol. 3 (13 November 2013), https://doi.org/10.1038/srep03188

Abstract

Unplanned fire is a major control on the nature of terrestrial ecosystems and causes substantial losses of life and property. Given the substantial influence of climatic conditions on fire incidence, climate change is expected to substantially change fire regimes in many parts of the world. We wished to determine whether it was possible to develop a deep neural network process for accurately estimating continental fire incidence from publicly available climate data. We show that deep recurrent Elman neural network was the ...

 

(INRMM-MiD internal record) List of keywords of the INRMM meta-information database - part 33

  
(February 2014)
Keywords: inrmm-list-of-tags   silviculture   similarity   simple-sequence-repeats   simulation   single-nucleotide-polymorphism   sismic-hazard   site-quality   sitka-spruce   situational-awareness   slope   slope-stability   slovakia   slovenia   slovenian-alps   smoke   smooth-transition   smyrnium-perfoliatum   snow   snow-avalances   so2   soc   social-engineering-risk   social-learning   social-media   social-system   society   socratea-exorrhiza   sodium   soft-constraint   soft-systems-approach   softw   software-control   software-engineering   software-errors   software-evolution   software-evolvability   software-libraries   software-patents   software-quality   software-security   software-uncertainty   software-validity   software-verification   soil   soil-carbon   soil-compactation   soil-conditions   soil-erosion   soil-evolution   soil-fertility   soil-food   soil-formation   soil-hydrophobicity   soil-loss   soil-microbial-properties   soil-moisture   soil-pollution   soil-resources   soil-restoration   soil-sealing   soil-stabilization   soils   solanum-dulcamara   solanum-spp   solar-energy   solar-radiation   solid-phase-microextraction   sonneratia-apetala   soot   sophora-chrysophylla   sophora-secundiflora   sophora-spp   sorbus-aria   sorbus-aucuparia   sorbus-domestica   sorbus-intermedia   sorbus-spp   sorbus-torminalis   sorex-spp   south-america   south-asia   southeast-asia   southeastern-europe   southern-africa   southern-alps   southern-asia   southern-europe   southern-oscillation   spain   spartium-junceum   spathodea-campanulata   spatial-analysis   spatial-disaggregation   spatial-ecology   spatial-interpolation   spatial-pattern   spatial-prioritization   spatial-resolution   spatial-spread  

Abstract

List of indexed keywords within the transdisciplinary set of domains which relate to the Integrated Natural Resources Modelling and Management (INRMM). In particular, the list of keywords maps the semantic tags in the INRMM Meta-information Database (INRMM-MiD). [\n] The INRMM-MiD records providing this list are accessible by the special tag: inrmm-list-of-tags ( http://mfkp.org/INRMM/tag/inrmm-list-of-tags ). ...

 

Determination of incoming solar radiation in major tree species in Turkey

  
Journal of Environmental Biology, Vol. 33, No. 4. (2012), pp. 817-821

Abstract

Light requirements and spatial distribution of major forest tree species in Turkey hasn't been analyzed yet. Continuous surface solar radiation data, especially at mountainous-forested areas, are needed to put forward this relationship between forest tree species and solar radiation. To achieve this, GIS-based modeling of solar radiation is one of the methods used in rangelands to estimate continuous surface solar radiation. Therefore, mean monthly and annual total global solar radiation maps of whole Turkey were computed spatially using GRASS GIS software ...

 

microclim: Global estimates of hourly microclimate based on long-term monthly climate averages

  
Scientific Data, Vol. 1 (27 May 2014), https://doi.org/10.1038/sdata.2014.6

Abstract

The mechanistic links between climate and the environmental sensitivities of organisms occur through the microclimatic conditions that organisms experience. Here we present a dataset of gridded hourly estimates of typical microclimatic conditions (air temperature, wind speed, relative humidity, solar radiation, sky radiation and substrate temperatures from the surface to 1 m depth) at high resolution (~15 km) for the globe. The estimates are for the middle day of each month, based on long-term average macroclimates, and include six shade levels and three generic ...

Visual summary

 

Applying Geospatial Semantic Array Programming for a reproducible set of bioclimatic indices in Europe

  
IEEE Earthzine, Vol. 7, No. 2. (2014), 877975, https://doi.org/10.1101/009589

Abstract

Bioclimate-driven regression analysis is a widely used approach for modelling ecological niches and zonation. Although the bioclimatic complexity of the European continent is high, a particular combination of 12 climatic and topographic covariates was recently found able to reliably reproduce the ecological zoning of the Food and Agriculture Organization of the United Nations (FAO) for forest resources assessment at pan-European scale, generating the first fuzzy similarity map of FAO ecozones in Europe. The reproducible procedure followed to derive this collection of ...

Visual summary

 

Comparative assessment of global irradiation from a satellite estimate model (CM SAF) and on-ground measurements (SIAR): a Spanish case study

  
Renewable and Sustainable Energy Reviews, Vol. 21 (May 2013), pp. 248-261, https://doi.org/10.1016/j.rser.2012.12.033

Abstract

An analysis and comparison of daily and yearly solar irradiation from the satellite CM SAF database and a set of 301 stations from the Spanish SIAR network is performed using data of 2010 and 2011. This analysis is completed with the comparison of the estimations of effective irradiation incident on three different tilted planes (fixed, two axis tracking, and north–south horizontal axis) using irradiation from these two data sources. Finally, a new map of yearly values of irradiation both on the ...

 

Arctic tree rings as recorders of variations in light availability

  
Nature Communications, Vol. 5 (7 May 2014), https://doi.org/10.1038/ncomms4836

Abstract

Annual growth ring variations in Arctic trees are often used to reconstruct surface temperature. In general, however, the growth of Arctic vegetation is limited both by temperature and light availability, suggesting that variations in atmospheric transmissivity may also influence tree-ring characteristics. Here we show that Arctic tree-ring density is sensitive to changes in light availability across two distinct phenomena: explosive volcanic eruptions (P<0.01) and the recent epoch of global dimming (P<0.01). In each case, the greatest response is found in the ...

 

Amazon forests maintain consistent canopy structure and greenness during the dry season

  
Nature (5 February 2014), https://doi.org/10.1038/nature13006

Abstract

The seasonality of sunlight and rainfall regulates net primary production in tropical forests1. Previous studies have suggested that light is more limiting than water for tropical forest productivity2, consistent with greening of Amazon forests during the dry season in satellite data3, 4, 5, 6, 7. We evaluated four potential mechanisms for the seasonal green-up phenomenon, including increases in leaf area5, 6, 7 or leaf reflectance3, 4, 6, using a sophisticated radiative transfer model8 and independent satellite observations from lidar and optical ...

 

Trick of the light

  
Nature, Vol. 506, No. 7486. (6 February 2014), pp. 6-6, https://doi.org/10.1038/506006b

Abstract

The Amazon doesn’t absorb extra carbon in the dry season after all. It can become a carbon source. ...

 

Differential light responses of Mediterranean tree saplings: linking ecophysiology with regeneration niche in four co-occurring species

  
Tree Physiology, Vol. 26, No. 7. (01 July 2006), pp. 947-958, https://doi.org/10.1093/treephys/26.7.947

Abstract

The ecophysiological mechanisms underlying plant–plant interactions and forest regeneration processes in Mediterranean ecosystems are poorly understood, and the experimental evidence for the role of light availability in these processes is particularly scant. We analyzed the effects of high and low irradiances on 31 ecological, morphological and physiological variables in saplings of four late-successional Mediterranean trees, two deciduous (Acer opalus subsp. granatense (Boiss.) Font Quer & Rothm. and Quercus pyrenaica Willd.) and two evergreen (Pinus nigra Arnold subsp. salzmannii (Dunal) Franco and ...

 

Response of tree seedlings to the abiotic heterogeneity generated by nurse shrubs: an experimental approach at different scales

  
Ecography, Vol. 28, No. 6. (December 2005), pp. 757-768, https://doi.org/10.1111/j.2005.0906-7590.04337.x

Abstract

Spatial heterogeneity of abiotic factors influences patterns of seedling establishment at different scales. In stress-prone ecosystems such as Mediterranean ones, heterogeneity generated by shrubs has been shown to facilitate the establishment of tree species. However, how this facilitation is affected by spatial scale remains poorly understood. We have experimentally analysed the consequences of the abiotic heterogeneity generated by pioneer shrubs on survival, growth and physiology of seedlings of three important tree species from Mediterranean mountains (Acer opalus ssp. granatense, Quercus pyrenaica ...

 

Post-wildfire soil erosion in the Mediterranean: review and future research directions

  
Earth-Science Reviews, Vol. 105, No. 3-4. (20 April 2011), pp. 71-100, https://doi.org/10.1016/j.earscirev.2011.01.001

Abstract

Wildfires increased dramatically in frequency and extent in the European Mediterranean region from the 1960s, aided by a general warming and drying trend, but driven primarily by socio-economic changes, including rural depopulation, land abandonment and afforestation with flammable species. Published research into post-wildfire hydrology and soil erosion, beginning during the 1980s in Spain, has been followed by studies in other European Mediterranean countries together with Israel and has now attained a sufficiently large critical mass to warrant a major review. Although ...

 

Influence of photoperiod on shoot and root frost tolerance and bud phenology of white spruce seedlings (Piceaglauca)

  
Canadian Journal of Forest Research, Vol. 23, No. 2. (1 February 1993), pp. 219-228, https://doi.org/10.1139/x93-029

Abstract

To determine frost tolerance of shoots and roots and the phenology of apical buds under different photoperiods during hardening and dehardening, 16-week-old white spruce seedlings (Piceaglauca (Moench) Voss) were hardened in growth chambers under 8-, 10-, 12-, and 14-h photoperiods for 14?d at 15:10 °C, followed by 14?d at each of the day:night temperatures of 12:8 °C, 10:5 °C, 5:2 °C under 13-h photoperiod, and finally, stored for 35?d at 0:0 °C in darkness. Afterwards, deacclimation conditions consisted of 14?d at ...

 

Latitudinal gradients as natural laboratories to infer species' responses to temperature

  
Journal of Ecology, Vol. 101, No. 3. (1 May 2013), pp. 784-795, https://doi.org/10.1111/1365-2745.12074

Abstract

* Macroclimatic variation along latitudinal gradients provides an excellent natural laboratory to investigate the role of temperature and the potential impacts of climate warming on terrestrial organisms. * Here, we review the use of latitudinal gradients for ecological climate change research, in comparison with altitudinal gradients and experimental warming, and illustrate their use and caveats with a meta-analysis of latitudinal intraspecific variation in important life-history traits of vascular plants. * We first provide an overview of latitudinal patterns in temperature and ...

 

Climate change-driven species' range shifts filtered by photoperiodism

  
Nature Climate Change, Vol. 2, No. 4. (28 March 2012), pp. 239-242, https://doi.org/10.1038/nclimate1430

Abstract

Forecasts of species range shifts as a result of climate change are essential, because invasions by exotic species shape biodiversity and therefore ecosystem functions and services. Ecologists have focused on propagule pressure (for example, the number of individuals and invasion events), the characteristics of an invading species, and its new abiotic and biotic environment to predict the likelihood of range expansion and invasion. Here, we emphasize the role of photoperiodic response on the range expansion of species. Unlike temperature, the latitudinal ...

 

A review of the characteristics of black alder (Alnus glutinosa (L.) Gaertn.) and their implications for silvicultural practices

  
Forestry, Vol. 83, No. 2. (01 April 2010), pp. 163-175, https://doi.org/10.1093/forestry/cpp038

Abstract

Black alder is a scattered, widespread and short-lived species that thrives in low-lying damp and riparian places. It has a use in flood control, stabilization of riverbanks and in functioning of the river ecosystems. To thrive, precipitation must exceed 1500 mm if access to groundwater is not possible. Alders are unusual among European trees in that they fix nitrogen. To regenerate naturally, alder requires high levels of both light and moisture, usually achievable only on disturbed sites. Growth rates up to ...

 

Effects of shade on growth and mortality of maple (Acer pseudoplatanus), ash (Fraxinus excelsior) and beech (Fagus sylvatica) saplings

  
Forestry, Vol. 80, No. 4. (01 October 2007), pp. 397-412, https://doi.org/10.1093/forestry/cpm030

Abstract

We compared shade tolerance of maple, ash and beech in the sapling stage from two sites with rich soils differing in water supply, growing in dense thickets underneath a beech shelterwood of varying canopy densities. Shade tolerance was described by two components: mortality in shade and height growth in high light. At low light, beech showed the least mortality, maple the highest and ash in between on both sites. The decline with increasing light was steepest in beech and more gradual ...

 

Influence of light availability on growth, leaf morphology and plant architecture of beech (Fagus sylvatica L.), maple (Acer pseudoplatanus L.) and ash (Fraxinus excelsior L.) saplings

  
European Journal of Forest Research In European Journal of Forest Research, Vol. 128, No. 1. (2009), pp. 61-74, https://doi.org/10.1007/s10342-008-0239-1

Abstract

In a field study, we measured saplings of beech, ash and maple growing in a fairly even-aged mixed-species thicket established by natural regeneration beneath a patchy shelterwood canopy with 3–60% of above canopy radiation reaching the saplings. Under low light conditions, maple and ash showed a slight lead in recent annual length increment compared with beech. With increasing light, ash and maple constantly gained superiority in length increment, whereas beech approached an asymptotic value above 35% light. A suite of architectural ...

 

Species richness patterns in the understorey of Pyrenean Pinus sylvestris forest

  
Journal of Vegetation Science, Vol. 5, No. 4. (1994), pp. 517-524, https://doi.org/10.2307/3235978

Abstract

Abstract. Species richness was studied in the understorey of natural Pinus sylvestris forest in the eastern Pyrenees. Understorey plant species were grouped in three structural groups as woody species, herbs and mosses. The response curves of total species richness and species richness of each structural group were fitted against environmental and stand-structural parameters, using Generalized Linear Models. The results suggested that, to predict species richness, environmental parameters were more important than tree-canopy structural parameters, in particular incoming radiation and soil ...

This page of the database may be cited as:
Integrated Natural Resources Modelling and Management - Meta-information Database. http://mfkp.org/INRMM/tag/solar-radiation

Publication metadata

Bibtex, RIS, RSS/XML feed, Json, Dublin Core

Meta-information Database (INRMM-MiD).
This database integrates a dedicated meta-information database in CiteULike (the CiteULike INRMM Group) with the meta-information available in Google Scholar, CrossRef and DataCite. The Altmetric database with Article-Level Metrics is also harvested. Part of the provided semantic content (machine-readable) is made even human-readable thanks to the DCMI Dublin Core viewer. Digital preservation of the meta-information indexed within the INRMM-MiD publication records is implemented thanks to the Internet Archive.
The library of INRMM related pubblications may be quickly accessed with the following links.
Search within the whole INRMM meta-information database:
Search only within the INRMM-MiD publication records:
Full-text and abstracts of the publications indexed by the INRMM meta-information database are copyrighted by the respective publishers/authors. They are subject to all applicable copyright protection. The conditions of use of each indexed publication is defined by its copyright owner. Please, be aware that the indexed meta-information entirely relies on voluntary work and constitutes a quite incomplete and not homogeneous work-in-progress.
INRMM-MiD was experimentally established by the Maieutike Research Initiative in 2008 and then improved with the help of several volunteers (with a major technical upgrade in 2011). This new integrated interface is operational since 2014.