Ecology and Environment - Competitors Point

Species-area relationship curve with the equation S = CA^z

The Species-area Relationship, Definition, Curve and Importance

Home › NEET Biology › Species-area relationship Full chapter: Biodiversity and Conservation NEET notes On this pageIntroductionMeaning of species area relationshipSpecies-area relationship curveThe species area relationship graphValues of zMeaning of constant CImportanceCommon doubtsConclusion The species area relationship describes how the number of species (species richness) in an area increases as the area increases, but at […]

The Species-area Relationship, Definition, Curve and Importance Read More »

Population Growth: Exponential and Logistic Growth Curve

Ecology and Environment / Rishi Prakash

On this page What is a population? Population characteristics 4 factors that change N Growth rate and r Exponential (J) curve Logistic (S) curve J vs S comparison Life history: r and K IB Biology C4.1 Tap-to-reveal revision Common doubts Definition: A population growth curve plots population size (N) against time. When resources are unlimited,

Population Growth: Exponential and Logistic Growth Curve Read More »

Ozone Depletion in the Stratosphere

Ecology and Environment / Rishi Prakash

Good ozone of the Stratosphere Formation of ozone: Effects of Ozone Depletion: Due to ozone depletion, UV-rays reach the earth surface and cause severe problems. Few harmful effects of UV-rays are mentioned below: Types of UV-rays: UV-A – near to the visible light ranges from 315 – 400 nm Exposure of UV-B Radiation Cause Snow

Ozone Depletion in the Stratosphere Read More »

Greenhouse Effect and Global Warming

Ecology and Environment / Rishi Prakash

Concentration of Greenhouse Gases Gases Concentration CO2 368 ppm CH4 1750 ppb CFC 282 ppt N2O 270 ppb Positive effect: Negative effects: 1. In 20th century, the increase in annual mean temperature is 0.6 °C. How Can We Control Global Warming?

Greenhouse Effect and Global Warming Read More »