This glossary is a FREE SERVICE to assist the student and enthusiast alike to get a better understanding of scientific terms, wildlife industry jargon and ecological concepts.
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labdiognathous web-spinning spider species

labial pertaining to the lips

lactation to produce milk for purposes of suckling young

lactrodectism the advanced effects of a certain type of spider bite

lahar Avalanche of debris consisting of rocks of various sizes in mud

large stock unit (lsu) a bovine animal of 450 kg (992 lbs), increasing in mass by 500 g (1.1 lbs) daily on grazing with a digestibility of 55 %.

larva an insect from the time it leaves the egg up until it changes into a pupa

latex the milky liquid found in the leaves and stems of certain plants

lava Molten rock erupted from a volcano; the term is also used to describe the solidified form

layered intrusion Igneous intrusion consisting of layers of rock of different mineralogical composition

leaching the moving of nutrients and minerals through the soil profile by the action of water

lek A breeding ground or arena where territorial males cluster around a central area, to which oestrous females come to mate with a few of the most centrally located and fittest males.

lentic pertaining to standing water such as lakes and ponds

leucism [leukism]is a condition characterized by reduced pigmentation in animals caused by a recessive allele. Unlike albinism, it is caused by a reduction in all types of skin pigment, not just melanin.

lichen a plant made up of an algae and a fungus growing in a symbiotic relationship

lick see Mineral Lick or Supplementary Feeding

light year the distance one would travel if you could move at the speed of light for 365 days in a straight line

lignification grasses becoming older and producing ligin (plant cell type) making them harder and less palatable

limiting factor a condition defining whether an organism will survive in a given place or not, e.g. , availability of water

lithification Process by which loose sediment is converted into sedimentary rock; cementation and compaction are the two most important processes involved

lithological discontinuity the process which gives rise to a soil profile consisting of soils originating from different parent materials

lithosphere portion of the earth consisting of soil and rock

lithosphere (2) Relatively rigid outer layer of Earth, including the crust and upper part of the mantle

live sales the selling of live game for establishing new populations or introducing genetic material into existing populations.

liverworts Plants without vascular conducting tissue (no xylem or phloem tubules). They are in the same group as mosses and look similar.

liverworts (2) Group of non-vascular, seedless land plants resembling broad-leaved mosses that grow in damp places

longevity life-span

lotic pertaining to flowing water

low velocity layer (zone) See asthenosphere

lowveld The North Eastern region of South Africa, encompassing the Mpumalanga and Northern Provinces (Kruger National Park and the land to the west of it extending for 400 Km (250 miles).

loxodonta the Generic name for elephants. From the Latin 'loxos' meaning a lozenge and 'donta' meaning tooth. The name refers to the lozenge-shaped ridges on the molar (chewing) teeth of elephants.

lsu Large Stock Unit / Livestock Unit

lucerne an artificially-grown form of hay

lumbar vertebrae pertaining to the lower spine

lvz See asthenosphere

lystrosaurus Genus of dicynodont mammal-like reptiles (therapsids) living at the time of the Permo-Triassic extinction; one of the few land-living vertebrates to have survived this calamity

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