the state barrier fence of western australia, formerly known as the rabbit proof fence, the state vermin fence, and the emu fence, is a pest-exclusion fence constructed between 1901 and 1907 to keep rabbits and other agricultural pests, from the east, out of western australian pastoral areas.. there are three fences in western australia: the original no. 1 fence crosses the state from north to .
to expose an area of the fencepost limestone for quarrying, a nearly equal area of f-2 must first be exposed and quarried off. the jewell county jail illustrates an unusual exploitation of this situation; courses of fencepost limestone alternate with courses of different half-height limestone of which the f-2 is a local source.
a cat 5 hurricane-proof log house is resistant to the winds up to 245 mph. wall logs in such construction have to be made of circular reference glued laminated timber and all other components of the house have to be hurricane-resistant.. building components. building openings such as garage doors and windows are often weak points susceptible to failure by wind pressure and blowing debris.
how to manage areas protected for conservation brings up a range of challenges - whether it be regarding the local population, specific ecosystems or the design of the reserve itself - and because of the many unpredicatable elements in ecology issues, each protected area requires a case-specific set of guidelines.. enforcing protected area boundaries is a costly and labour-heavy endeavour .
areas with dry or desert climates, especially when combined with high winds, have more severe problems of fugitive dust. dry and disturbed surfaces can release wind-borne fugitive dust for many months before there is sufficient rainfall to coagulate the soil. surfaces susceptible to fugitive dust emissions are both natural and man-made.
single-wire earth return swer or single-wire ground return is a single-wire transmission line which supplies single-phase electric power from an electrical grid to remote areas at low cost. its distinguishing feature is that the earth or sometimes a body of water is used as the return path for the current, to avoid the need for a second wire or neutral wire to act as a return path.
a high-pressure area, high, or anticyclone, is a region where the atmospheric pressure at the surface of the planet is greater than its surrounding environment.. winds within high-pressure areas flow outward from the higher pressure areas near their centers towards the lower pressure areas further from their centers.
berg wind from afrikaans berg 'mountain' wind 'wind', i.e. a mountain wind is the south african name for a katabatic wind: a hot dry wind blowing down the great escarpment from the high central plateau to the coast.
a fog collector, fog net or fog fence is an apparatus for collecting liquid water from fog, using a fine mesh. it is made up of a vertically hung mesh net, a frame, and a trough. water condenses onto the array of parallel wires and collects at the bottom of the net.
the warlike operations area woa off the north coast of somalia former definition 1 was downgraded to a high risk area hra and absorbed into definition 2. 17 the yemeni territorial waters 12 nm from mainland have been upgraded from extended risk zone erz in the red sea and hra in the gulf of aden to woa.
the communal areas management programme for indigenous resources campfire is a zimbabwean community-based natural resource management program. it is one of the first programs to consider wildlife as renewable natural resources, while addressing the allocation of its ownership to indigenous peoples in and around conservation protected areas.
a levee breach or levee failure the word dike or dyke can also be used instead of levee is a situation where a levee fails or is intentionally breached, causing the previously contained water to flood the land behind the levee.
the poles are then hammered into the ground and a windbreak is formed. windbreaks or 'wind fences' are used to reduce wind speeds over erodible areas such as open fields, industrial stockpiles, and dusty industrial operations. as erosion is proportional to wind speed cubed, a reduction of wind speed of 1/2 for example will reduce erosion by .
many of those living in areas without an eruv are accustomed to life without one and have adapted their shabbat practices accordingly. however, those who live in a place that has an eruv and are visiting a place without one, or if the eruv is temporarily out of service perhaps due to wind or snow damage , may have difficulty making adjustments.
the fens, also known as the fenlands, is a coastal plain in eastern england.this natural marshy region supported a rich ecology and numerous species, as well as absorbing storms. most of the fens were drained several centuries ago, resulting in a flat, dry, low-lying agricultural region supported by a system of drainage channels and man-made rivers dykes and drains and automated pumping .
protected areas of panama include: arraiján protected forest bosque protector de arraiján boca vieja beach wildlife refuge refugio de vida silvestre playa boca vieja calobre springs natural monument monumento natural de los pozos de colobre in calobre district; cerro ancón reserve reserva cerro ancón colón island natural reserve on .