### aggregation:

Vegetation
* All vegetation is fuel for a wildfire, though some trees and shrubs are more flammable than others
  - produced by the sun
  - requires and transpires massive amounts of water during the growing season
* Most vegetation absorbs light
  - attracts grasshoppers
  - competes with seedlings
* Most vegetation contains trees
  - has thick leaves
* Most vegetation is dominated by grass
  - drought or salt tolerant
* Most vegetation provides basic food
* Most vegetation surrounds habitats
  - wildlife habitats
* Some vegetation absorbs precipitation
  - sound
  - attracts birds
* Some vegetation becomes evergreen plants
* Some vegetation has conifers
  - various conifers
  - well-defined chemical thresholds for damage
  - is dominated by trees
  - produces isoprene in conjunction with photosynthetic activity
  - provides fluid sustenance
  - visible light but reflects infrared, so it looks red
* acts as a filter for sediment and pollution coming in from the near land.
* affects how a watershed functions
* also affects infiltration
  - attracts insects, which salmon feed on
* also changes with the seasons
  - within and among years
  - controls visibility and mobility for animals
* also helps in overall reduction of soil erosion
  - protecting the eagle from unfavorable conditions
  - slow water flow and reduce erosion which are vital during times of flooding
  - plays an important role in affecting soil moisture content
* also provides a home for rodents
  - shade, which keeps the watercool
  - small fish with places to hide from larger predators
  - the cover that Mexican wolves generally seek out when establishing dens
  - reduces erosion and purifies water
  - removes excess water by evaporation and transpiration
  - retards water runoff, and thus retards erosion of the soil in the community
  - slows the flow of water runoff
  - traps sediment and nutrient rich organic matter, enriching floodplain soils
* appears in green, non-vegetated surfaces are yellow, and water bodies show in brown
  - various shades of orange and brown
  - very different at visible and near-infrared wavelengths
* attracts deer
  - spiders because it serves as an ample hiding spot
* breaks the force of the wind and helps to keep the sand from blowing away.
* broadly follows the climatic zones.
* can affect the lag time and volume of stream flow
  - also reduce the erosional effects of wind by binding soil particles to roots
* can be a sensitive indicator of change in local or regional environments
  - dehydrate to the point of death when in contact with high levels of salt
  - dense around shoreline areas and coves
* can help heal the stream and ripairan area by holding the soil and capturing sediment
  - prevent dune erosion
  - stabilize banks and reduce the amount of sediment that erodes into streams
  - restrict the movement of dust and pollutants
* catches the sand and the roots bind the sand particles together.
* changes from woodland to thorntree grassland with increasing dryness
  - in shallow marsh wetlands under improving moisture regimes
* climbs to vertiginous heights and gives off an intoxicating odor of orchids and earth.
* consists mainly of emergent species.
* consists of emergent and submergent plant communities
  - grasses and shrubs
  - grassland, woodland, and three major swamp types
  - halophytic grasses fringed by extensive areas of steppe
  - salt meadows and numerous species of aquatic plants
  - scrub and succulent plants
  - scrub, riparian forest, wet meadows, reedbeds, and halophytic communities
  - second-growth timber, rhododendron, and a variety of mosses and lichens
  - shrubs, small evergreen trees, and sclerophyllous species
  - primarily of sparse grasses, cacti, and desert shrubs of conifers and oaks
* contains carbon that is released as carbon dioxide when the vegetation decays or burns
* cover around the water prevents erosion and supplies nutrients for aquatic life
  - prior to European settlement reflects past ecosystem structure and processes
* covers bottoms
  - the surface to prevent contaminant migration via runoff from contaminated soils
* eaten is often in the form of roots and bulbs.
* forms an integral part of the visual quality of landscape designs
* generally retards evaporation from the soil.
* grows in some places, in other the earth is bare
  - such a way that maze-like pathways to open water are created
  - the down wind direction
  - up and trees and debris block the flow of water
  - very rapidly
* has leaves
  - low quality
  - three important aspects that are subject to change
* helps build stream banks and riparian areas
  - hold the mud together and prevents it from washing away
* helps keep sediment and contaminants from entering water bodies
  - streams flowing during dry periods
  - recycle moisture into the atmosphere
  - soil formation since it entraps flowing sediments
  - to stabilize lake bottoms and aerate the water
* holds gravel and soil, keeping bars and banks in place.
* impacts soils in numerous ways.
* includes a combination of grasses, weeds and small trees.
* includes cattails, reeds, bulrushes, spike rushes, and wild rice
  - spikerushes, and wild rice
  - deciduous forest, scrub, grassland, and cultivated land
  - grasses, sedges, rushes, and various broad-leafed plants
  - hydrophilic communities, reed and sedge marshes, and dune communities
  - perennial grass
  - reed thickets, shrubs, and floating plant communities
  - reedbeds, saline meadows, and marshes
  - riverine forest and numerous species of aquatic plants
  - rolling savannas, moriche groves, montane forests, and dense river woodlands
  - roses
  - shrubs and cactus plants
* includes tall trees with high leaves and fruit, and a smaller plant which bears nuts
  - the full spectrum of land management practices and land tenures
* increases the ability of soils to retain water, preventing floods and erosion.
* is abundant and microclimates have created grassy planes and desert scenery
  - affected and humans suffer from respiratory problems and have acute head aches
* is an important aspect of place, besides being ecologically vital
  - factor in soil formation
  - incubator for aquatic life and a haven for bass
  - characterised by eucalypt woodlands with tropical grass understoreys
  - collected and stored during the summer for winter use
  - composed of obligate hydrophytes
  - controlled and manipulated by burning, discing, farming or mowing
  - critical in stabilizing soil materials
  - dense at lower elevations and along the streamsides
  - dependent on the length of inundation, as well as the substrate type
  - divided into five layers
  - mosses, lichens, dwarf trees and scattered woody shrubs
  - eaten by rabbits
* is essential in their diet
  - to pull moisture into the ground
  - folded around and under the body
  - frozen to death in the snow
  - green, arid or uncultivated land is pink, water bodies are blue or black
  - important to wetland structure and is an important habitat characteristic for fish
  - light, light skys are dark while clouds stay light
* is located in countrysides
  - parks
  - made up of grasses, sedges and herbs adapted to an annual pattern of flooding
  - mobs
  - monitored to quantify spatial dominance of main native and non-native plant species
  - most luxuriant
  - mostly lower plant groups such as fungi, mosses, liverworts, and lichens
  - needed for food production and cover for fish
* is of a luxuriant growth
  - the dry deciduous type, with dhok being the most prominent tree
  - often present at varying heights, similar to the rungs of a ladder
* is red, and snow and ice are white and blue
  - cities are gray, and oceans are blue
  - represented in green
  - required by many animals for warmth and security
  - separated into canopy and noncanopy
  - somewhat sensitive to over browsing and intrusion by man
  - sparse in most areas, except in riparian zones along streams
* is the basis for animal life
  - best protection because it both absorbs and uses water
  - handle by which wetland types can be most easily recognized
  - sum total of all plants on a landscape
  - tough and needs a lot of chewing to break it down into small pieces
* is used as an indicator of bioclimate, habitat, aesthetics, site productivity, etc
  - to cover the fur-lined nest between feeds
* is very on the surface
  - sparse, limiting the role of fire
  - what makes soil permeable
* kind of grass that grows in tight, widely spaced clumps.
* largely determines the types of animals that can live on a plot of land.
* living on the soil dies, decomposes, and is mixed with the upper part of the soil.
* major obstacle to manual demining and the use of dogs.
* means any nonwoody plant.
* moderates temperatures and increases humidity.
* needs soil with lots of nutrients.
* often is in flower or has pastel shades.
* plays a major role in determining the biological composition of the soil
  - the composition of the soil
* prevents contaminants from entering water bodies, protecting water quality
  - erosion, provides food and shelter for fish and wildlife
  - soil from washing into our streams and rivers
* produces relatively large quantities of water vapor compared with bare soil.
* protects soil from wind erosion by reducing the wind speed at the soil surface
  - the soil from raindrop impact
* provide food, shelter and nest sites for many animals.
* provides cover and habitat for small birds and animals
  - excellent food
  - ideal habitats
  - important resources
  - meals
  - nesting spots for birds and food for insects, waterfowl and aquatic mammals
  - sanctuaries
* ranges from microscopic algae to giant trees.
* reduces erosion and the quantity of sediment transported to the stream.
* reduces soil erosion and helps make the land productive again
  - sediment transport to streams and rivers
  - the runoff volume, and the amount of sediment that goes into our water
* reflects light differently than soil or concrete o r rooftops or trees
  - underlying differences in landform and topography
* resists the flow of water through wetlands.
* responds to climate change directly and indirectly.
* responses to local climatic changes induced by a water-storage reservoir.
* roughens the surface of the earth, causing air to flow less smoothly.
* seeks out any source of water.
* slows runoff and allows water to seep into the ground
  - from storms and allows water to percolate into the soil
* stabilizes coastal dunes.
* stabilizes the sand and keeps it from blowing around
  - sand, preventing the wind from forming dunes
  - stream bank and maintains a high water table
* starts a food web.
* strongly influences regional weather systems, as well as climate.
* tends to attract baitfish, which in turn keeps predators like largemouth close by
  - grow in clumps or tussocks
* transition between wet interior forests to the north, and dry forests to the south.
* traps wind-blown sand and then grows up through the new sand accumulation.
* typically develop along the closing surface of the valve
  - includes perennial grasses and herbs
* varies according to amount of water available
  - by elevation and exposure
* varies from grasslands in lower elevations to mixed conifers in higher elevations
  - humid tropical forest to stunted woodland, savannah and thickets
  - light to dark depending on species
  - thick evergreen trees to moss and lichens
  - tropical rain forest to grasslands to barren volcanic areas
  - in different areas or plant communities
  - widely, ranging from giant cypress to pine and various hardwoods
  - with elevation and aspect