Conifers Get Prickly When It Comes to New Locations Questions
Answer these questions in complete sentences on a separate sheet of paper.
- Conifer means cone bearing, referring to the plant's reproductive structures. We tend to think of conifers as trees with thin ___________- like leaves. Aspens are small trees with broad leaves that are deciduous, meaning that aspens ____________________________ .
- In our northern neighbor, British Columbia, nearly 4 million acres of forest lands (the size of 28 Island Counties! ) are considered ______________________________________ .
- Both nitrates and ammonium are inorganic forms of nitrogen that are ______________ to plants (think back to the words we used when describing the nitrogen cycle).
- In aspen groves, ____________ was the most abundant form of nitrogen. In conifer groves, ________________ was the most abundant form of nitrogen.
- After disturbance or fire, the nitrogen and oxygen compound ____________ replaces the nitrogen and hydrogen compound _______________ in forest soils.
- What did Dr. Kronzucker and his team propose about conifer's nitrogen 'likes'?
- What did Kronzucker's nitrogen compound experiments show about white-spruce seedlings?
- And aspen seedlings?
- What about other conifer seedlings?
- What else can hamper a reseeding attempt?
- Microbes are a key player in nitrogen cycles. What are microbes?
- After disturbance or fire, microbes have less carbon in the soil available to them. Describe how this changes what the microbes do with nitrogen.
- This article refers to two other articles written in the journal ______________ . That journal is a peer-reviewed publication of great international renown. What does that mean for the validity of the results?
Reference: "Conifers Get Prickly When It Comes to New Locations". Peter N. Spotts. Christian Science Monitor. 14 Jan 1997.