Managing Biodiversity
Gbogbo ọrọ náà
Biodiversity is the variety of life: the number of different species, the genes within them and the ecosystems they form. It gives us food, medicine, clean air and water, and a safety net of genetic variety we may one day need. Yet species are being lost faster than at almost any time in history. Conserving what remains is not a single action but a toolkit of strategies, each with its own strengths and weaknesses.
In this lesson you will learn the main strategies for conserving biodiversity and genetic resources, from national parks and wildlife corridors to seed banks, captive breeding and international agreements on trade. You will also learn to weigh up these strategies, discussing their benefits and limitations, and to classify species by how threatened they are. Real conservation successes and challenges run throughout.
Ebumnobi
- 5.3.1 Describe strategies for conserving the biodiversity and genetic resources of natural ecosystems, limited to: (a) sustainable harvesting of wild plant and animal species (b) sustainable forestry (c) national parks and reserves (d) wildlife corridors (e) seed banks (f) zoos and captive breeding (g) ecotourism (h) international cooperation against animal trade (i) regulation of trade in vulnerable and endangered species (j) classifying organisms in terms of their threat level: threatened, endangered and extinct.
- 5.3.2 Discuss the benefits and limitations of strategies for conserving the biodiversity and genetic resources of natural ecosystems.
Akọmọ Ojú-ẹkọ
Ọ dị na ngwa Green Bridge
Budata ngwa Green Bridge CBT na ekwentị maọbụ kọmputa gị iji nweta akwụkwọ ndụmọdụ zuru oke, ajụjụ mmụta, na ndị ọzọ.
Ayẹwo Ẹkọ
Ekele diri gi maka imecha ihe karịrị na Managing Biodiversity. Ugbu a na ị na-enyochakwa isi echiche na echiche ndị dị mkpa, ọ bụ oge iji nwalee ihe ị ma. Ngwa a na-enye ụdị ajụjụ ọmụmụ dị iche iche emebere iji kwado nghọta gị wee nyere gị aka ịmata otú ị ghọtara ihe ndị a kụziri.
Ị ga-ahụ ngwakọta nke ụdị ajụjụ dị iche iche, gụnyere ajụjụ chọrọ ịhọrọ otu n’ime ọtụtụ azịza, ajụjụ chọrọ mkpirisi azịza, na ajụjụ ede ede. A na-arụpụta ajụjụ ọ bụla nke ọma iji nwalee akụkụ dị iche iche nke ihe ọmụma gị na nkà nke ịtụgharị uche.
Jiri akụkụ a nke nyocha ka ohere iji kụziere ihe ị matara banyere isiokwu ahụ ma chọpụta ebe ọ bụla ị nwere ike ịchọ ọmụmụ ihe ọzọ. Ekwela ka nsogbu ọ bụla ị na-eche ihu mee ka ị daa mba; kama, lee ha anya dị ka ohere maka ịzụlite onwe gị na imeziwanye.
- A species that has no living members left anywhere is described as: A. threatened B. endangered C. extinct D. invasive Answer: C
- Which of these is an example of ex-situ conservation? A. a national park B. a wildlife corridor C. a seed bank D. sustainable forestry Answer: C
- Strips of habitat that link separated protected areas are called: A. reserves B. wildlife corridors C. seed banks D. niches Answer: B
- CITES is mainly used to: A. plant trees B. regulate international trade in endangered species C. build zoos D. measure biodiversity Answer: B
- One limitation of captive breeding is that: A. it cannot save any species B. the captive population may have a small gene pool C. it protects whole habitats D. it is always free Answer: B
Ọ dị na ngwa Green Bridge
Budata ngwa Green Bridge CBT na ekwentị maọbụ kọmputa gị iji nweta akwụkwọ ndụmọdụ zuru oke, ajụjụ mmụta, na ndị ọzọ.
Ọ dị na ngwa Green Bridge
Budata ngwa Green Bridge CBT na ekwentị maọbụ kọmputa gị iji nweta akwụkwọ ndụmọdụ zuru oke, ajụjụ mmụta, na ndị ọzọ.
Àwọn Ìwé Tó Dáa Láti Kà
Meecha Ajụjụ Ule Ọmarịcha
Ị chọrọ ime ajụjụ ule ọmarịcha gbasara Managing Biodiversity? Budata ngwa Green Bridge CBT iji nweta ajụjụ ule ọmarịcha na nyocha zuru ezu gbasara isiokwu a.
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