Glossary Flashcards

(17 cards)

1
Q

AONB

A

Area of Outstanding Natural Beauty - area of countryside in England, Wales or Northern Ireland designated for conservation due to significant landscape value

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2
Q

Calcareous (grassland)

A

Ecosystem associated with shallow, basic soils (principally calcium carbonate)

Formed by the weathering of chalk + other types of limestone

Characterised by vegetation dominated by grasses and herbs

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3
Q

Coastal squeeze

A

Impact on coastal habitats trapped between a fixed landward boundary (such as a sea wall) and rising sea levels

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4
Q

Demography

A

Statistical study of populations (mainly humans)

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5
Q

Gravid

A

Carrying eggs or young - pregnant

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6
Q

Harvest index

A

Pounds of grain (or any economically valuable portion) divided by the total pounds of above ground biomass

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7
Q

Hyperspectral imaging

A

Combines spectroscopy with imaging capability

Collects and processes information across the electromagnetic spectrum to obtain the spectrum for each pixel in an image.

Allows for identification of objects + materials by analyzing their unique spectral signatures.

(Note that spectral imaging uses multiple bands across the EM spectrum ranging from 250nm to 15,000nm + thermal infrared)

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8
Q

Interstitial

A

In this context: short lived plants that occupy a niche between other habitat dominating species

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9
Q

Myxomatosis

A

Disease that affects rabbits, caused by myxoma virus. Infection usually fatal within a fortnight of contraction.

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10
Q

National Nature Reserve (NNR)

A

Areas designated as key places for wildlife + natural features, often of national or international importance

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11
Q

National Park

A

Park in use for conservation purposes, often a reserve of natural, semi-natural or developed land

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12
Q

Oxisols

A

Order in USDA soil taxonomy.
Most highly weathered tropical + subtropical soils, formed in hot, humid climates that receive a lot of rainfall

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13
Q

Perennial

A

Plant that lives for several years

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14
Q

Site of Special Scientific Interest (SSSI)

A

Protected area in the UK selected for either biological or geological interest

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15
Q

Subsistence

A

Action of maintaining or supporting oneself, especially at a minimal level

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16
Q

Tiller

A

Stem produced by grasses, refers to all shoots that grow after the initial parent shoot

17
Q

Ultisol

A

Order in USDA soil taxonomy

Reddish, clay-rich, acidic soils that support mixed forest vegetation, found in humid temperate or tropical regions