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In thermodynamic terms, ecosystems are machines supplied with energy from an external source, usually the sun. When the input of energy to an ecosystem is exactly equal to its total output of energy, the state of equilibrium which exists is a special case of the First Law of Thermodynamics.
Solar Radiation and Productivity in Tropical Ecosystems. The Journal of Applied Ecology, 9, 747-766. Login. Login Solar radiation and atmospheric dynamics. Vyacheslav M. Somsikov. Natural Science Vol.6 No.2, February 14, 2014
Tropical environments are vital components of the Earth''s ecosystem, characterized by high temperatures, abundant precipitation, and extraordinary biodiversity. From the dense rainforests to the grasslands of the savannas, and from the dry forests to the coastal mangroves and coral reefs, each subtype contributes to the unique and irreplaceable tapestry
Solar energy contributes significantly to reducing carbon emissions and promoting a cleaner urban ecosystem. By harnessing solar power, Singapore reduces its reliance on fossil fuels, thus lowering overall carbon footprints. Adapting to Tropical Climate. Adapting solar technology to Singapore''s tropical climate is crucial for enhancing
The leaf hydraulic efficiency–safety trade-off was weak (R2 = 0.144) at the global scale. Mean annual precipitation and solar radiation (SR) modified the trade-off.
Tropical ecosystems are also highly biodiverse and offer billions of dollars in ecosystem services provision, such as acting as carbon sinks of ~1.26 Pg C per year , and helping sustain a large proportion of the most economically deprived parts of global society. In order to avert the climate crisis, tree planting commitments are ambitious but require a huge
SOLAR RADIATION AND PRODUCTIVITY IN TROPICAL ECOSYSTEMS* BY J. L. MONTEITH Department of Physiology and Environmental Studies, School of Agriculture, University of Nottingham In thermodynamic terms, ecosystems are machines supplied with energy from an ex-ternal source, usually the sun. When the input of energy to an ecosystem is exactly equal
We focus on: (i) the importance of sunlight in the flourishing and distribution of life on Earth, and the greater intensity of solar energy in the tropics; (ii) the key roles of temperature and moisture in determining global patterns of ecosystem distribution, and how rainforests develop in especially hot, wet tropical conditions; (iii) why the tropics receive more solar energy than other
Many terrestrial ecosystems in the northern hemisphere have been shown to respond to the partitioning of solar radiation by increasing or decreasing the GPP and/or NEE (net ecosystem exchange) depending on vegetation structure, canopy architecture and local environmental conditions (see review by Kanniah et al., 2012).
Article: Solar radiation and productivity in tropical ecosystems. Abstract Equations are developed for estimating plant DM production. Estimates for a range of crops growing between 14 deg S. and 43 deg N. agreed well with measured values during vegetative growth, but overestimated production during reproductive growth because photosynthesis was overestimated and/or
There are more species in the tropics because tropical ecosystems have more niches. However, the number of niches in an ecosystem is determined by the number of species in that ecosystem. High levels of
As the tropics are exposed to large amounts of solar radiation, solar energy amelioration is highly important in tropical ecosystems. Among mechanisms of high solar energy amelioration, the water cycle is the first function that removes solar radiation energy in the form of latent heat through evaporation at the sea surface and evapotranspiration from forests.
Solar radiation penetrating the earth''s atmosphere is absorbed and scattered by gases, by cloud, and by aerosols in the form of soil and salt particles, smoke, insects and spores.
Many terrestrial ecosystems in the northern hemisphere have been shown to respond to the partitioning of solar radiation by increasing or decreasing the GPP and/or NEE
Monteith, J.L. (1972) Solar radiation and productivity in tropical ecosystems. Journal of Applied Ecology, 9, 747766. doi:10.2307/2401901 has been cited by the following article: TITLE: Net primary production and carbon cycling in coast redwood forests of central California
Conventional estimates of efficiency in terms of the amount of solar radiation incident at the earth''s surface provide ecologists and agronomists with a method for comparing plant productivity under different systems of land use and management and in different * Opening paper read at IBP/UNESCO Meeting on Productivity of Tropical Ecosystems.
Jordan, C.F. 1983: Productivity of tropical rain forest ecosystems and the implications for their use as future wood and energy sources Ecosystems of the world: 4117-136
Solar radiation and productivity in tropical ecosystems. Published online 01 Jan 1973 Content type Journal article Journal title Journal of Applied Ecology DOI 10.2307/2401901. Author(s) Solar radiation and productivity in tropical ecosystems. British Ecological Society. Follow us on Facebook; Follow us on X; Follow us on Linkedin; Follow
*The material contained in this document is based upon work supported by a National Aeronautics and Space Administration (NASA) grant or cooperative agreement. Any opinions, findings,
Of the 3 planetary ecosystems, the lithosphere, hydrosphere, and atmosphere, only soil and aquatic environments have been extensively investigated for their microbial content () contrast, the study of the atmosphere as a microorganism-harboring ecosystem has been technologically challenging, rendering it an understudied biosphere (2, 3).The atmosphere is
Lag effects were observed in 68.83 % of vegetated areas, with 1 to 4-month delays in responses to net solar radiation and surface temperature, especially in forest and shrubland ecosystems. This study provides deeper insights into fine-scale GPP simulations and analysis of climate interactions, which are crucial for effective carbon cycle management in
The species shown were selected to span growth environments from agricultural to arid to tropical ecosystems. Note that, except for the leguminous crop, all species achieve their maximum photosynthetic rates
Outside the earth''s atmosphere, a surface kept at right angles to the sun''s rays receives energy at a mean rate of 1360 W m-2 or 1f36 kJ m-2 s-1, a figure known as the solar constant.
J. L. Monteith, “Solar Radiation and Productivity in Tropical Ecosystems,” Journal of Applied Ecology, Vol. 9, No. 3, 1972, pp. 747-766. doi10.2307/2401901
Abstract Equations are developed for estimating plant DM production. Estimates for a range of crops growing between 14 deg S. and 43 deg N. agreed well with measured values during
Elevational variation of key stand-level parameters inferred from the fully constrained (FcS) model setup. S O (MJ m À2 year À1 ) is the total annual incoming solar radiation at the top of the
Solar Radiation and Productivity in Tropical Ecosystems J. L. Monteith. Thermal Dynamics Law • First Law of Thermal Dynamics: Energy conservation Rn=LE + H + G+A •
However a small proportion of solar spectrum contains short-wavelength ultraviolet-B light (280-320 nm), which is deleterious to life. The depletion of stratospheric ozone layer by man made pollution has substantially increased UV-B light impinging on the earth surface. Impact of Solar UV-B on Tropical Ecosystems and Agriculture. Case Study
As already mentioned, the effects of solar radiation on plant litter decomposition are much less understood than microbial degradation (Pancotto et al., 2003; Austin et al., 2016; Wang et al., 2017).This is especially true in wetter ecosystems of the subtropical and tropical regions, since most studies of photodegradation have been conducted in arid and semiarid
Introduction Ecosystems can be treated as thermodynamic machines. To assess their efficiency, we can divide the useful, absorbed energy in an ecosystem by the total energy input
Geoengineering such as solar radiation management (SRM) can be an emergent option to avoid devastating climatic warming, but its ramifications are barely understood. The perturbation of the Earth''s energy balance,
Article citations More>> Monteith, J.L. (1972) Solar radiation and productivity in tropical ecosystems. Journal of Applied Ecology, 9, 747766. doi:10.2307/2401901 has been cited by
Conventional estimates of efficiency in terms of the amount of solar radiation incident at the earth''s surface provide ecologists and agronomists with a method for comparing plant productivity under different systems of land use and management and in different * Opening paper read at IBP/UNESCO Meeting on Productivity of Tropical Ecosystems, Makerere University, Uganda,
Solar Energy Tropical regions receive, per unit area and per unit time, greater amounts of solar radiation than any other ecosystems. This is again due to a spherical Earth, whereby light energy at higher latitudes intercepts the earth's surface at a more oblique angle compared with the tropics.
Tropical regions receive perpendicular solar radiation at noon almost year-round, thus the mean annual temperature is higher and seasonal changes are less pronounced than in areas at higher latitudes. The intensive solar radiation also increases evapotranspiration (see below).
Many terrestrial ecosystems in the northern hemisphere have been shown to respond to the partitioning of solar radiation by increasing or decreasing the GPP and/or NEE (net ecosystem exchange) depending on vegetation structure, canopy architecture and local environmental conditions (see review by Kanniah et al., 2012 ).
Tropical regions are characterised by an enormous variation of crops and fruit, which are cultivated year round, providing the possibility for several harvests per year. Many tropical countries produce and export a wide range of agricultural products such as cereals, soybeans, rice, sugar, cocoa, coffee, oils, and fruit to the rest of the world.
Tropical regions of the world are located between the Tropic of Cancer and the Tropic of Capricorn between latitudes of about 23°05′ north and south of the equator. The areas just a few degrees north and south of this region are considered the subtropics.
Tropical climates are generally mild with temperatures rarely dropping below about 27 °C (80.6 °F) during daylight hours. Most tropical ecosystems are considered humid tropical rainforests characterized by wet and dry seasons, with the number, duration, and magnitude of these seasons highly variable between geographic areas.