8. Annual weeds of arable lands are classified as (1) phonerophytes. (2) therophytes. (3) chamaephytes. (4) geophytes. Weeds are a persistent challenge in agriculture, affecting crop yields, soil health, and […]
Tag: CSIR NET Life Science Previous Year Questions Community Ecology
Tag: CSIR NET Life Science Previous Year Questions Community Ecology
CSIR NET Life Science Previous Year Questions Community Ecology
No posts found.
Density Dependence: The Hallmark of Equilibrium in Natural Ecological Communities
- admin
- June 28, 2025
- 5 Comments
Which of the following characterizes natural communities under equilibrium? (1) Biotic decoupling. (2) Species independence. (3) Large stochastic effects. (4) Density dependence. Understanding the dynamics of natural communities is a […]
Geometric Model and Niche Pre-emption Hypothesis: Understanding Straight Line Dominance-Diversity Curves in Ecology
- admin
- June 28, 2025
- 3 Comments
For a dominance-diversity relationship curve of a community, species sequence was plotted on the X axis and relative importance on the log Y axis. The relationship resulted in a straight […]
How to Assess Sampling Effort in Bird Diversity Studies: The Role of Species Accumulation Curves
- admin
- June 28, 2025
- 4 Comments
You are sampling birds in a forest community to determine species diversity of birds in this region. How would you assess the sampling effort to ensure that you have obtained […]
Species Accumulation vs Rarefaction Curves: Understanding Their Roles in Biodiversity Assessment
- admin
- June 28, 2025
- 3 Comments
Given below are the species accumulation curves and rarefaction curves measured in an ecological community. Which one of the following statements is INCORRECT about the two curves? (1) Species accumulation […]
Understanding Hypotheses Linking Species Richness and Community Services: Graphical Representations Explained
Following are the graphical representation of various hypothesis proposed for explaining the possible relationship between the species richness on (X) axis and community services on (Y) axis. Which of the […]
How to Assess Sampling Adequacy in Forest Tree Diversity Studies: The Power of Species Accumulation Curves
- admin
- June 28, 2025
- 2 Comments
A field biologist is sampling tree species in a forest area to estimate tree diversity. What method can be employed to decide if his sampling effort is adequate to estimate […]


