Natural science vocabulary
AGROVOC is a vocabulary covering food, nutrition, agriculture, forestry, fisheries, scientific and common names of animals and plants, environment, biological notions, techniques of plant cultivation and more. It is published by FAO (Food and Agriculture Organization of the United Nations) and edited by a community of experts.
The vocabulary is translated into 33 different languages and you can use it to look up synonyms and related concepts (broader or narrower terms). Perfect for desk research!