Residential and commercial development

The negative impacts of residential and commercial development on conifers is so severe that it has led to conifer species becoming Critically Endangered. Ironically, the very system put in place to protect biodiversty, such as national parks, can have a negative impact on biodiversity. Here the most detrimental impacts can be from the visiting public by bringing an increased risk of fire and the introduction of harmful pests and diseases. As a result of an explosive growth rates in the human population over the last 50 years there has been a steady drift of people from the city centres into urban areas. It is estimated that 60% of the Earth's population will live in urban areas by 2030. Hence these increasing population densities and mounting development pressures are causing large tracks of land in the immediate surroundings of urban areas undergoing a process of what is known as urbanisation. This phenomenon directly alters forest ecosystems by removing or fragmenting forest cover. It indirectly alters forest ecosystems by modifying hydrology, altering nutrient cycling, modifying disturbance regimes, and changing atmospheric conditions. 

<em>Tetraclinis articulata</em>, Malta

Tetraclinis articulata, Malta© M.Gardner, RBGE

Taxa in the category - Residential and commercial development:

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Dacrydium medium de Laub.

Native to Peninsular Malaysia and north Sumatera and threatened by fire and tourism. Read full species entry >

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Juniperus barbadensis L.

Endemic to the Caribbean in the Bahamas, Cuba, Jamaica and St Lucia where threats include logging, fire and urbanisation Read full species entry >

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Juniperus barbadensis var. lucayana (Britton) R.P. Adams

Endemic to the West Indes where it occurs in the Bahamas, Cuba and Jamaica. Here it is threatened by fire, cutting and invasive pathogens. Read full species entry >

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Juniperus bermudiana L.

Endemic to Bermuda where historically it underwent a catastrophic decline of almost 95% due to scale insects, recent recovery is hampered by invasive plant species. Read full species entry >

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Juniperus drupacea Labill.

Nationally threatened in Lebanon, Syria and Israel where there are small stands which are threatened by fire, agriculture, urbanisation and civil conflict. Globally evaluated as Least Concern. Read full species entry >

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Juniperus saxicola Britton & P.Wilson

Endemic to a single mountain in eastern Cuba where fire and human disturbance has reduced the population to just 53 mature individuals. Read full species entry >

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Keteleeria davidiana var. formosana

Restricted to Taiwan where there are only a few subpopulations that are in decline due to logging and expansion of agriculture and urban areas Read full species entry >

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Keteleeria fortunei (A.Murray bis) Carrière

A relatively widespread tree occurring across much of southeastern China at lower altitudes. Deforestation has had sufficient impact to warrant lisiting this species as Near Threatened. Read full species entry >

Habit
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