Restoration Ecology and Invasive Species

The video features a discussion with Karen Nelson, a professor of restoration ecology, about the challenges and strategies in managing invasive species. It highlights the characteristics of invasive species, focusing on leafy spurge as a case study. The video explores various control methods, including herbicides and sheep grazing, and discusses innovative solutions and business opportunities in ecological restoration. Additionally, it touches on the impact of invasive bird species like ringneck doves.

What is the primary focus of Karen Nelson's research at the University of Montana?

• Restoration of terrestrial ecosystems

• Marine ecosystems

• Climate change

• Urban development

Which of the following is NOT a characteristic of invasive species?

• Slow growth

• Early growth in the season

• Release of allelopathic chemicals

• High seed production

What is one of the main challenges in eradicating leafy spurge?

• It has a short lifespan

• It produces a large number of seeds

• It is beneficial to native plants

• It is resistant to all herbicides

How do sheep help in controlling leafy spurge?

• By fertilizing the soil

• By trampling the plants

• By eating the spurge after being trained

• By uprooting the plants

What is a unique feature of ringneck doves that makes them popular at events?

• Their large size

• Their long lifespan

• Their ability to mimic sounds

• Their white coloration

Why are ringneck doves considered poor at surviving in the wild?

• They cannot fly

• They are too aggressive

• They lack survival instincts

• They are too small

What is a significant reason for the success of pigeons as invasive species?

• Their fear of humans

• Their ability to build strong nests

• Their adaptability to urban environments

• Their reliance on specific food sources

How do pigeons typically construct their nests?

• With feathers and grass

• By using their own droppings

• With mud and saliva

• Using twigs and leaves

What is a common misconception about the breeding habits of pigeons?

• They breed only once a year

• They lay only one egg at a time

• They do not breed in winter

• They have multiple clutches per year

Which extinct bird is related to pigeons and doves?

• Dodo

• Passenger pigeon

• Great auk

• Moa