Concepedia
Statistics
Publications
43
Citations
4.6K
H-Index
33
Active since
1978
Affiliations
Utrecht University(Current)
University of Groningen
University of North Carolina at Chapel Hill
University of Tartu
J. H. Willems is an author at Utrecht University specializing in engineering, biodiversity, and vegetation science.
Top concepts
EngineeringBiodiversityVegetation ScienceBotanyBiogeographyBiologyConservation BiologyGeographySocial SciencesEvolutionary Biology
Publications per year
1978–2008
Challenges for the conservation of calcareous grasslands in northwestern Europe: integrating the requirements of flora and fauna
Michiel F. WallisDeVries, Peter Poschlod, J. H. Willems · Biological Conservation · 2002 · 537 citations
Biodiversity, Engineering, Rangeland Productivity +8
Seed size, shape and vertical distribution in the soil: indicators of seed longevity
Renée M. Bekker, Jan P. Bakker, Ulf Grandin et al. · Functional Ecology · 1998 · 530 citations
Biodiversity, Precision Agriculture, Seed Longevity +14
Why do we need permanent plots in the study of long‐term vegetation dynamics?
Jan P. Bakker, Han Olff, J. H. Willems et al. · Journal of Vegetation Science · 1996 · 354 citations · Full text
Vegetation Studies, Engineering, Vegetation-atmosphere Interactions +12
Increasing dominance of Brachypodium pinnatum (L.) beauv. in chalk grasslands: A threat to a species-rich ecosystem
Roland Bobbink, J. H. Willems · Biological Conservation · 1987 · 286 citations
Applied Plant Ecology, Biodiversity, Engineering +7
Changes in chalk‐grassland structure and species richness resulting from selective nutrient additions
J. H. Willems, Robert K. Peet, L. Bik · Journal of Vegetation Science · 1993 · 248 citations
Chalk Grassland, Biodiversity, Biogeochemistry +13
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