4.2 Managing the conservation of biodiversity

What is the definition of invasive species?

• Species native to a particular region

• Species outcompetes others and cause harm

• Species that not native to the area

• Species that are beneficial to the ecosystem.

Some invasive species were spread on purpose, but later became a detriment to the ecosystem. What reason(s) were invasive species imported?

• Ornamental planting

• Erosion control

• Biological Controls for other pests

• All of the above.

What is the estimated annual cost of managing non-native species in the U.S. is over $130 billion. Classify the effects into the correct category.

Groups:

(a) Social Effects

,

(b) Environmental Effects

,

(c) Harm to Indigenous Wildlife

• loss of biodiversity

• increased predation

• excess water consumption

• possible extinction of native species

• loss of tourism

• spread of new diseases

• loss of recreation

• soil erosion

• loss of habitats

The red fire ant, Burmese python, and kudzu plant are examples of

• native species in the US

• exotic trade organisms in the US

• invasive species in the US

• Biological Indicators in the US

Which of the following is likely to cause an algal bloom?

• excess nutrients

• Fallen leaves

• Ice formation

• Sand deposits

______ is a global conservation initiative focusing specifically on preserving evolutionarily distinct and globally endangered species.

Match the following organization and treaties, to the purpose behind them.

• IUCN - Red List

• Develop international policy guidelines to encourage sustainable forest management, timber harvest, and trade

• CITES

• regulate wildlife trade to prevent overexploitation

• IWC

• Management and conservation of the whale species around the world

• ITTO

• to set the rules for fishing fleets in European waters

• EU CFP

• assess global species extinction risk based on scientific data

A ​ (a)   ​ are species that originated and developed in a specific ecosystem or region and adapted to living in that area.

• Native Species
• Invasive species 

Tue or False: Native species can become invasive species?

• True

• False

Ecological issue shown in the diagram.

• Biological Magnification

• Acid precipitation

• Eutrophication

• Invasive (introduced) species

• Pollution