AGROVOC

Biogenic calcification, the formation of calcium carbonate by living organisms, is performed by a wide range of marine taxa. (https://www.geomar.de/en/research/fb2/fb2-bi/research-topics/biogenic-calcification)

Port operations can be defined as all policies, reforms and regulations that influence the infrastructure and operations of port facilities including shipping services. (https://gfptt.org/node/67)

An institution that receives the majority of funding through the government, and manages public issues. (AGROVOC Team adapted from https://www.eionet.europa.eu/gemet/en/concept/12912)

Amination is the process by which an amine group is introduced into an organic molecule. This type of reaction is important because organonitrogen compounds are pervasive. (https://en.wikipedia.org/wiki/Amination)

A gene (or genetic) regulatory network (GRN) is a collection of molecular regulators that interact with each other and with other substances in the cell to govern the gene expression levels of mRNA and proteins. (https://en.wikipedia.org/wiki/Gene_regulatory_network)

A tag that generally is attached to the ear of a animal for easy and accurate identification. (Adapted from Glossary - Gateway to dairy production and products, FAO, consulted in 2020 (http://www.fao.org/dairy-production-products/resources/glossary/en/?index=m). )

Aflatoxin G1 is a toxic metabolite of the fungi Aspergillus flavus and A. parasiticus. (https://pubchem.ncbi.nlm.nih.gov/compound/Aflatoxin-G1)

Frequency spectrum of a signal is the range of frequencies contained by a signal. (Galar, Diego & Kumar, Uday. (2017). Chapter 3. Preprocessing and Features. 10.1016/B978-0-12-811153-6.00003-8.)

Aquaculture using a heated effluent (e.g. from a power station) to produce fish commercially. (Fisheries and Aquaulture Department, FAO, 2014)

The aphotic zone is the portion of a lake or ocean where there is little or no sunlight. (https://en.wikipedia.org/wiki/Aphotic_zone)

Dead water is the nautical term for a phenomenon which can occur when a layer of fresh or brackish water rest on top of denser salt water, without the two layers mixing. (https://en.wikipedia.org/wiki/Dead_water)

Consolida orientalis or Eastern larkspur is a tall member of the buttercup family Ranunculaceae, with spires of blue-purple flowers. (AGROVOC Team, 2026)

Halide minerals are a group of naturally occurring inorganic compounds that are salts of the halogen acids and encompass minerals with a dominant halide anion (F−, Cl−, Br−, and I−). (Encyclopedia of Geochemistry. Encyclopedia of Earth Sciences Series.n 2018. https://doi.org/10.1007/978-3-319-39312-4_108)

A persistent skin infection marked by the presence of furuncles, often chronic and recurrent. In humans, the causative agent is various species of Staphylococcus. In salmonid fish (salmonids), the pathogen is Aeromonas salmonicida. (NAL Thesaurus)

Microphotography: photography, especially of documents, arranged to produce small images which cannot be studied without magnification. (https://www.iso.org/obp/ui/#iso:std:iso:10934:-1:ed-1:v1:en)

Ratio of energy output of a conversion process or of a system to its energy input. (IPCC. 2001. Climate Change 2001: Synthesis Report. Annexes. https://www.ipcc.ch/site/assets/uploads/2018/03/annex.pdf)

From the point of view of the submariner, a downward-projecting ridge on the underside of the ice canopy; the counterpart of a ridge. (https://library.wmo.int/doc_num.php?explnum_id=4651)