Book contents
- Frontmatter
- Contents
- Preface
- Acknowledgments
- 1 Introduction
- Part I Controls of Microclimate
- 2 Microclimatic Elements
- 3 Methods of Observation and Instrumentation
- 4 Radiation
- 5 The Energy Balance
- 6 Monitoring Radiation, Energy, and Moisture Balance via Remote Sensing and Modeling with Land Surface Models
- 7 Microclimates of Different Vegetated Environments
- 8 Microclimates of Physical Systems
- 9 Bioclimatology
- Part II Local (Topo-)Climates
- Part III Environmental Change
- Problems
- Glossary
- Symbols
- System International (SI) Units and Conversions
- Index
- References
7 - Microclimates of Different Vegetated Environments
from Part I - Controls of Microclimate
Published online by Cambridge University Press: 05 May 2016
Book contents
- Frontmatter
- Contents
- Preface
- Acknowledgments
- 1 Introduction
- Part I Controls of Microclimate
- 2 Microclimatic Elements
- 3 Methods of Observation and Instrumentation
- 4 Radiation
- 5 The Energy Balance
- 6 Monitoring Radiation, Energy, and Moisture Balance via Remote Sensing and Modeling with Land Surface Models
- 7 Microclimates of Different Vegetated Environments
- 8 Microclimates of Physical Systems
- 9 Bioclimatology
- Part II Local (Topo-)Climates
- Part III Environmental Change
- Problems
- Glossary
- Symbols
- System International (SI) Units and Conversions
- Index
- References
Summary
In this chapter we consider the primary characteristics of microclimates in different environmental settings. We examine in turn the landscapes of arctic and alpine tundra, grassland, farmland, wetlands, and forests. Small-scale atmospheric and edaphic processes that operate in the surface boundary layer are determined by these local environments, giving rise to contrasts in the radiation balance, temperature, humidity, and wind among the different surfaces and with height above and below the ground surface. It is these microclimates that provide the environmental controls for plants, insects, and other animals inhabiting that region (Monteith, 1976; Jones, 1992). Where appropriate data are available, we will include ecological information.
Tundra
Tundra is a term that originated in northern Finland, where it referred to treeless plateaus. Subsequently it has been extended to designate the land between the northern boundary of the boreal forest and high Arctic ice caps. It is also found on sub-Antarctic islands and in high alpine environments (Wielgolaski, 1997).
Tundra accounts for about 8 percent of the Earth's land surface. Microclimates are responsible for much of the diversity of the tundra environment. Low Sun angles mean that there is a great variety of local exposure to solar radiation. At the regional scale, the presence of a snow cover for nine months of the year has a major impact on the absorbed solar radiation.
Arctic Tundra
Lewis and Callaghan (1976) note that tundra embraces many different vegetation types ranging from dense willow scrub, through scrub heath and wet meadow, to sparse lichen and moss cushions. They selected wet meadow and dry fell field as extremes that were extensively studied during the International Biological Programme (IBP), 1964–1974. Peak LAI reaches unity in the meadow with a maximum canopy height of 20 cm. The full canopy develops within a few weeks of snowmelt. As little as 11 percent of solar insolation and 2–6 percent of PAR penetrate the full canopy. Dead leaves form an increasing portion of the canopy after midseason.
At fell field sites the LAI of higher plants is only about 0.1 m2 m−2. The canopy is discontinuous with large areas of bare ground. Wind is a major factor in fell field sites where the winter snow cover is discontinuous.
- Type
- Chapter
- Information
- Microclimate and Local Climate , pp. 148 - 186Publisher: Cambridge University PressPrint publication year: 2016
References
, and 1980. Summer climate, microclimate, and energy budget of a polar semidesert on Kimg Christian Island, N.W.T., Canada. Arct. Alp. Res. 12, 161–70.Google Scholar
et al. 2013. Surface ecophysiological behavior across vegetation and moisture gradients in tropical South America. Agric. Forest Met. 182–3, 177–88.Google Scholar
, and 2007. Seasonal changes of microclimatic conditions in grasslands and its influence on orthopteran assemblages. Biologia 62, 742–8.Google Scholar
, , , and 2008. Slope, aspect and climate: Spatially explicit and implicit models of topographic microclimate in chalk grassland. Ecol. Modelling 216, 47–59.
, and 1998. FIFE surface climate and site-average dataset: 1987–1989. J. Atmos Sci 55, 1091–1108.Google Scholar
2014. The effect of winter drought on evaporation from a high-elevation wetland. J. Geophys. Res. Biogeosci. 119. doi:10.1002/2014JG002648.Google Scholar
, , , , , & (2001) The seasonal energy and water exchange above and within a boreal aspen forest. Journal of Hydrology, 245 (1-4), 118-136.Google Scholar
et al. 2000. Eddy covariance measurements of evaporation from Great Slave Lake, Northwest Territories, Canada. Water Resour. Res. 35, 1069–77.Google Scholar
and 1995. Modelling evaporation from a high subarctic willow-birch forest. Int. J. Climatol., 15, 97-106.
and 1996, Evidence of water conservation mechanisms in several subarctic wetland species. J. Appl. Ecol, 34, 842-50.
, , and (2003) Enhancement of evaporation from a large northern lake by the entrainment of warm, dry air. Journal of Hydrometeorology, 4(4), 680–93.Google Scholar
, , , , , , and 2009 A comparison of water and carbon dioxide exchange at a windy alpine tundra and subalpine forest site near Niwot Ridge, Colorado. Biogeochemistry, 95(1), 61–76.
1976. Vegetation and the atmosphere.New York, Academic Press.
, and . 1971. Energy and CO2 balance of an irrigated sugar beet (Beta vulgaris) field in the Great Plains. Agron. J. 63, 207–13.Google Scholar
, and 2007. The relationship between dry grassland vegetation and microclimate along a west-east gradient in central Germany. Hercynia N.F. 40, 153–76.Google Scholar
1990. Hydrology of moist tropical forests and effects of conversion: A state of knowledge review. International Hydrological Programme. Paris: UNESCO.
1969. The diffusive conductivity of sugar beet and potato leaves. Agric. Met. 6, 211–26.Google Scholar
1957. Shelterbelts and microclimate. Forestry Commission, Bulletin No. 29. Edinburgh: HMSO.
et al. 1990. Light regimes beneath closed canopies and tree-fall gaps in temperate and tropical rainforest. Canad. J. Forest Res. 20, 620–31.Google Scholar
, , , & (1997) Radiation regime and canopy architecture in a boreal aspen forest. Agricultural and Forest Meteorology, 86 (1-2), 107-25.
, , and 1993. Contrasting microclimates among clearcut, edge, and interior of old-growth Douglas-fir forest. Agric. Forest Met. 63, 219–37.Google Scholar
et al. 2009. Patterns of water and heat flux across a biome gradient from tropical forest to savanna in Brazil. J. Geophys. Res. 114, G00B12. doi:10.1029/2007JG000640.Google Scholar
1969. Comparative micrometeorology of a wheat field and a forest of Pinus radiata. Agric. Met. 6, 357–72,Google Scholar
1976. Temperate cereals’, in Monteitg, J.L. (ed.), Vegetation and the atmosphere, Vol. 2. Case studies. London;Academic Press. pp. 1- 31.
et al. 1994. Airborne flux measurements of CO2 and H2O over the Hudson Bay lowland. J. Geophys. Res., Atmos. 99(D1), 1551–62.Google Scholar
, , and 2013. Microclimatic characteristics of subpolar Ural Soils (National Park Yugyd va). International conference “Earth Cryology: XXI Century” (September 29–October 3, 2013, Pushchino, Moscow region, Russia). The Program and Conference Materials, pp. 78–79
, , and 1985. Vegetation effects on microclimate in lowland tropical forest in Costa Rica. Int. J. Biomet. 29, 145–55.Google Scholar
. 1966. Evapotranspiration rates of field crops determined by the Bowen ratio method. Agron. J. 58, 339–42.Google Scholar
1994. Vegetation responses along edge-to-interior gradients in the mixed hardwood forests of the Roanoke river basin, North Carolina. Conserv. Biol. 8, 822–32.Google Scholar
et al. 2015. Mapping global cropland and field size. Global Change Biol. 21(1), 1980–92.Google Scholar
, and 2000. Management of forests to reduce the risk of abiotic damage – a review with particular reference to the effects of strog winds. Forest Ecology and Management, 135, (1-3), 261–277.Google Scholar
, , and 1996. The May-October energy budget of a Scots Pine plantation at Hartheim, Germany. Theoret. Appl. Clim. 53, 79–94.Google Scholar
et al., 2013. Overview of the Large-Scale Biosphere–Atmosphere Experiment In Amazonia Data Model Intercomparison Project (LBA-DMIP). Agric. Forest Met. 182–3, 111–27.Google Scholar
1968. La variation annuelle du coefficient d'albedo des surfaces superieures du peuplement. Bull. Soc. Roy. Bot. Belgique 101, 141–53.Google Scholar
, , and 1991. Soil and canopy energy balances of a row crop at partial cover. Agron. J. 83, 744–53.Google Scholar
et al. 1996. Crop residue effects on surface radiation and energy balance – review. Theoret. Appl. Clim. 54, 27–37.Google Scholar
HYDE. 2010. History Database of the Global Environment. PBL Netherlands Environmental Assessment Agency. http://themasites.pbl.nl/tridion/en/themasites/hyde/index.html
, , and 1976. Coniferous forest. In (ed.), Vegetation and the atmosphere. Vol. 2. Case studies. London: Academic Press: pp. 171–240.
1992. Plants and microclimate. A quantitative approach to environmental plant physiology.Cambridge: Cambridge University Press.
, et al. 2014. Latent heat exchange in the boreal and arctic biomes. Global Change Biol. 20(11), 3439–56. doi: 10.1111/gcb.12640.Google Scholar
1973. Fluxes of visible and net radiation within a forest canopy. J. appl. Ecol. 10, 657–60.Google Scholar
, , , and (2012) Energy and surface moisture seasonally limit evaporation and sublimation from snow-free alpine tundra. Agricultural and Forest Meteorology, 157, 106-115, doi:10.1016/j.agformet.2012.01.017.
1990. Evaporation from wetlands. Canad. Geogr., 34, 79-82.
1978. Forest microclimatology.New York: Columbia University Press.
and 1976. Tundra vegetation and the atmosphere, 2, London Academic Press. pp. 399-433.
1969. Stomatal closure in conifer seedlings in response to leaf moisture stress. Bot.Gaz. 130, 258–63.Google Scholar
and 1971. Photosynthesis in Sitka Spruce (Picea sitchensis (Bong.) Carr.). I. General characteristics. J. Appl. Ecol., 8, 925-53.
et al. 2002. Energy and water dynamics of a central Amazonian rain forest, J. Geophys. Res. 107(D20), 8061.Google Scholar
1981. Impact of clearcutting of coniferous forest on the surface radiation balance. J. Appl.Ecol. 18, 815–26.Google Scholar
et al. 1997. Forest environments. In , , and (eds.), The surface climates of Canada.Montreal: McGill University Press. pp. 247–76.
et al. 2009. Sensivity of the carbon cycle ib the Arctic tundra to climate change. Col. Monogr., 79, 523-55.
et al. 2007. Partitioning forest carbon fluxes with overstory and understory eddy-covariance measurements: A synthesis based on FLUXNET data. Agric. For. Met. 144, 14–31.Google Scholar
1982. Temperature observations in High Arctic plants in relation to microclimate in the vegetation of Peary Land, north Greenland. Arct. Antarct. Alp. Res. 14, 105–15.Google Scholar
(ed.) 1976. Vegetation and the atmosphere. Vol. 2. Case studies. London: Academic Press.
1971. Some aspects of radiant energy in a pine forest. Arch. Met. Geophys. Bioklim. B19, 29–52.Google Scholar
, and . 1975. Photosynthesis in Sitka spruce (Picea sitchensis (Bong.) Carr.). VI. Response of stomata to temperature. J. appl. Ecol. 12, 879–92.Google Scholar
, and 1974. Photosyntesis in Sitka spruce [Picea sitchensis (Bong.) Carr). III. Measurements of canopy structure and interception of radiation. J. Appl. Ecol. 11, 375–98.Google Scholar
1971. Wind profiles in and above a forest canopy. Quart. J. Roy. Meteorol. Soc. 97, 548–53.Google Scholar
and 2012. Testing the microclimate hypothesis: Light environment and population trends of Neotropical birds. Biol. Conserv., 155, 85–93.Google Scholar
et al. 2008, Farming the planet: 1. Geographic distribution of global agricultural lands in the year 2000. Global Biogeochem. Cycles 22, GB1003Google Scholar
1976. Deciduous forest. In (ed.), Vegetation and the atmosphere. Vol.2: Case studies. London: Academic Press: pp. 241–64.
1971. Wind and temperature structure in a coniferous forest and a contiguous field. Forest Sci. 17, 351–63.Google Scholar
, and 1976. Grassland. In (ed.), Vegetation and the atmosphere. Vol.2. Case studies. London: Academic Press: pp. 349–98.
, ., and . 1996. The importance of microclimate in grassland ecosystems. J. Northeast Normal Univ., Natural Sci. 2,117–37.Google Scholar
et al. 2010. Influence of spring and autumn phenological transitions on forest ecosystem title. Phil.Trans. Roy. Soc., B. 365(1555), 3227–46.Google Scholar
, , and 1997. Wetlands. In , , and (eds.), The surface climates of Canada.Montreal: McGill UniversityPress. pp. 149–71.
1984a. Microclimate of Arctic tree line. 1. Radiation balance of tundra and forest. Water Resour. Res. 20, 57–66.Google Scholar
1984b. Microclimate of Arctic tree line. 2. Soil microclimate of tundra and forest. Water Resour. Res. 20, 67–73.Google Scholar
1967. Evaporation in forests. Endeavour, 26, 39–43.
, and 2014. Net radiation in a snow-covered discontinuous forest gap for a range of gap sizes and topographic configuration. J. Geophys. Res. Atmos. 119. doi:10.1002/2014JD021809.Google Scholar
, and 1985. Evaporation from sparse crops – an energy combination theory. Quart. J. Roy. Met. Soc. 111, 839–55.Google Scholar
et al. 2015. A global dataset of the extent of irrigated land from 1900 to 2005. Hydrol. Earth Syst. Sci. 19, 1521–45.Google Scholar
The World Bank. 2015. Forest area. Washington, DV. www.data.worldbank.org/indicator/AG.LND.FRST.ZS.
1976. Maize and rice. In (ed.), Vegetation and the atmosphere. Vol. 2. Case studies. London: Academic Press, pp. 30–62.
et al. 2015. Variations in evapotranspiration and climate for an Amazonian semi-deciduous forest over seasonal, annual, and El Niño cycle. Int. J. Biomet. 59, 217–30.Google Scholar
, and . 1994. Modelling evaporation from wetland tundra. Bound.-Layer Met. 68, 109–30.Google Scholar
, , and 2002. Seasonal and interannual variation in evapotranspiration, energy balance and surface conductance in a northern temperate grassland. Agric. Forest Met. 112, 31–49Google Scholar
and 1993. Rimary Primary production control of metrhane emission from wetlands. Nature 3445 794-95.
1969. Microclimate and its importance in grassland ecosystems. In and (eds.), The grassland ecostem: a preliminary synthesis. Fort Collins, CO: Colorado State University, Range Science Department. pp. 40–64.
(ed.) 1997, Polar and alpine tundra.Amsterdam: Elsevier.
et al. 2015. A 19-year long energy budget of an upland peat bog, northern England. J. Hydrol. 520, 17–29.Google Scholar
et al. 2014. Land-atmospheric water and energy cycle of winter wheat, Loess Plateau, China. Int. J. Climatol. 34, 3044–53. doi:10.1002/joc.3891.Google Scholar