Roger Dajoz (22 August 1929 - 2019) was a French

biologist A biologist is a scientist who conducts research in biology. Biologists are interested in studying life on Earth, whether it is an individual Cell (biology), cell, a multicellular organism, or a Community (ecology), community of Biological inter ...

ecologist Ecology () is the study of the relationships between living organisms, including humans, and their physical environment. Ecology considers organisms at the individual, population, community, ecosystem, and biosphere level. Ecology overlaps wi ...

and

entomologist Entomology () is the scientific study of insects, a branch of zoology. In the past the term "insect" was less specific, and historically the definition of entomology would also include the study of animals in other arthropod groups, such as arach ...

, former student of the Ecole Normale Supérieure and a teacher at the

Museum national d'histoire naturelle The French National Museum of Natural History, known in French as the ' (abbreviation MNHN), is the national natural history museum of France and a ' of higher education part of Sorbonne Universities. The main museum, with four galleries, is loc ...

Paris Paris () is the capital and most populous city of France, with an estimated population of 2,165,423 residents in 2019 in an area of more than 105 km² (41 sq mi), making it the 30th most densely populated city in the world in 2020. S ...

Biography

He published a lot of books on

ecology Ecology () is the study of the relationships between living organisms, including humans, and their physical environment. Ecology considers organisms at the individual, population, community, ecosystem, and biosphere level. Ecology overlaps wi ...

entomology Entomology () is the science, scientific study of insects, a branch of zoology. In the past the term "insect" was less specific, and historically the definition of entomology would also include the study of animals in other arthropod groups, such ...

and

biology Biology is the scientific study of life. It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field. For instance, all organisms are made up of cells that process hereditary i ...

. One of the most important is an Ecology dictionary named ''Précis d'écologie'', published by Dunod in French. He married Aline Langevin,

anglicist English studies (usually called simply English) is an academic discipline taught in primary, secondary, and post-secondary education in English-speaking countries; it is not to be confused with English taught as a foreign language, which is ...

and French physicist

Paul Langevin Paul Langevin (; ; 23 January 1872 – 19 December 1946) was a French physicist who developed Langevin dynamics and the Langevin equation. He was one of the founders of the ''Comité de vigilance des intellectuels antifascistes'', an ant ...

's granddaughter. They gave birth to two daughters, Isabelle Dajoz, who is a

and a teacher at Université Denis Diderot, and Hélène Dajoz, who is a teacher in

mathematics Mathematics is an area of knowledge that includes the topics of numbers, formulas and related structures, shapes and the spaces in which they are contained, and quantities and their changes. These topics are represented in modern mathematics ...

Publications

* ''Insecticides'', PUF, 1959. * ''Wood-boring insects and their part in deadwood degradation'' in ''Forest ecology'', Gauthier-Villars, 1974. * ''Ecology collection, vol.6, Population dynamics'', Masson, 1974. * ''The ecology encyclopedia : the present in question'', with other contributors, Larousse, 1977. * ''Ecology dictionary'', Dunod, 2006. * ''Biodiversity, the future of man and the planet'', Ellipses, 2009. * ''Biologic evolution in the 21st century, facts and theories'', Lavoisier, 2012.

References

{{DEFAULTSORT:Dajoz, Roger French ecologists 1929 births 2019 deaths Place of birth missing Langevin family National Museum of Natural History (France) people