07.07.2013 Views

A guide for planners and managers - IUCN

A guide for planners and managers - IUCN

A guide for planners and managers - IUCN

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Table II-13. Characteristics of Oceanic <strong>and</strong> Continental Isl<strong>and</strong>s as Compared to Continents<br />

Oceanic isl<strong>and</strong>s Continental Isl<strong>and</strong>s<br />

Geographical Characteristics<br />

Continents<br />

Remote from continents Close to continents –<br />

Bounded by wide seas Bounded in part by narrow seas –<br />

Small areas Large or small areas Very large areas<br />

Equable air temperatures Less equable air temperatures Often very large seasonal <strong>and</strong>/or diurnal<br />

Climates often unlike those of nearest mainl<strong>and</strong> Climates similar to nearest continents temperature ranges<br />

Geological Characteristics<br />

Volcanic or coralline generally Sedimentary or metamorphic Sedimentary, metamorphic or igneous<br />

Mid-Tertiary or younger Young or old Young or old<br />

Few valuable minerals Some minerals Minerals<br />

Permeable soils Various soils Various soils<br />

Biological Characteristics<br />

Impoverished overall biodiversity Less impoverished biodiversity Broad range of biodiversity<br />

High turnover of species Lower species turnover Usually low species turnover<br />

Mass breeding of marine vertebrates Often mass breeding of marine vertebrates Few marine vertebrates breeding ashore<br />

Morphologically <strong>and</strong> anatomically primitive leaf Normal <strong>and</strong> primitive leaf anatomy Normal <strong>and</strong> primitive leaf anatomy<br />

structure of endemic species<br />

Historical Characteristics<br />

Late discovery by humans Often early discovery Early or late discovery <strong>and</strong> settlement<br />

Recent settlement Early or late settlement by humans<br />

Economic Characteristics<br />

Few terrestrial resources Wider range of terrestrial resources Wide range of terrestrial resources<br />

Marine resources important Marine resources important Marine resources often unimportant<br />

Distant from major markets Nearer to large markets Markets relatively accessible<br />

Source: Wace (1982).<br />

PART II<br />

Protected Areas <strong>for</strong> Small Isl<strong>and</strong>s<br />

211

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!