New Release: IB Environmental Systems and Societies – Study & Revision Guide

We are delighted to announce the publication of our new study and revision guide for IB Environmental Systems and Societies (ESS). Written for the requirements of the 2017–2023 exam sessions, this revision guide offers succinct coverage of the whole syllabus for Environmental Systems and Societies, with extensive self-test material to help students prepare for mocks and final exams. Clearly structured to match the curriculum, it offers exam tips and original case studies.   Here’s what author Adrian Palmer said about his book: I have ...

A study of fish stocks

Depleted global fish stocks represents a focus for C5: Population ecology. The Gulf of Maine is warming 99% faster than the worlds oceans and is a major contributing factor in the declining cod stocks within that region. Cod is a species adapted to cold water and the increased temperatures  brought about by climate oscillations in the Atlantic and the Pacific have led to an significant decline in the number of fry produced by spawning female cod and fewer are surviving to ...

Something Fishy

Here are some useful resources to help students understand the need for, and importance of, conserving fish stocks. s3u2ZxKhPoA This a humorous though sad animation on the plight of Chilean Sea Bass. Here is a an exercise on determining the age of a fish used as a strategy to determine the size of commercial fish stocks. This link from National Geographic looks initially at the depressing demise in bluefin tuna.