Andrew Frederick Johnson

  • Assistant Professor, School of Energy, Geoscience, Infrastructure and Society // CEO MarFishEco Fisheries Consultant Ltd, Heriot-Watt University
A worker marks timber logs at a concession area in Sarawak, Malaysia. Rainforest logging in Asia feeds much of the world’s thirst for timber. AP Photo/Vincent Thian

How to keep conservation policies from backfiring in a globally connected world

In a global economy, passing laws to conserve forests, fisheries or other natural resources can simply shift demand for those goods to other countries or regions where they aren’t as well protected.
Productivity hotspots in an otherwise nutrient-poor ocean. High abundances of plankton-eating fish on an Indo-Pacific coral reef. Zafer Kizilkaya

Solving ‘Darwin’s Paradox’: why coral island hotspots exist in an oceanic desert

Scientists say they’ve answered a long-held question of Darwin’s on why islands are so productive – an important step toward planning protections against the effects of climate change.
Cannonball Jellyfish in the Gulf of California. Yazmin Flores for GCMP

Boom or bust in a jelly bloom market

In a changing climate, ocean populations sometimes rise and fall in unpredictable waves. Scientists, managers and fishers must make economically and ecologically sound decisions based on long-term outlooks.
Trawling for fish? You might be setting yourself up for a paltry haul next time. Glenn Perrigo

Frequent trawling leads to skinnier fish

Trawling – dragging heavy gear over ocean bottoms in search of fish near the sea floor – is arguably one of the most destructive human practices. Removing fish from the sea for an ever-hungry, growing…

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