Julien Martin Marie Vollering
Field of work
Ecologist and associate professor at Western Norway University of Applied Sciences (HVL) in Sogndal. My work sits at the intersection of ecology and spatial data science.
I earned my bachelor's in biology at UC Berkeley, my M.Sc. at Leiden University in the Netherlands, and my Ph.D. at the University of Oslo, where I investigated the spread of alien conifer species in Norwegian landscapes. I now teach and do research at HVL, where my courses include landscape ecology.
My research background is rooted in species distribution modeling — inferring where organisms and ecosystems occur from the environmental factors that govern them. I currently focus on peatland carbon mapping, especially mapping peat depth across large areas. I'm also interested in invasive plant ecology and systematic conservation planning. I maintain the R package MIAmaxent, and my everyday toolkit includes R, QGIS, and Quarto. I'm always looking to sharpen my skills in Bayesian inference, machine learning, and remote sensing.
Originally from California, living in Norway since 2014. Outside of work, you'll find me on a road bike.
ORCiD: https://orcid.org/0000-0002-7409-2898
Google Scholar: https://scholar.google.com/citations?user=mrwYSmQAAAAJ
NVA: https://nva.sikt.no/research-profile/687722
- BI424, Introduction to Botany, Fall 2026
- BI4-301, Climate Change Ecology, Fall 2026
- BI435, Landscape Ecology, Spring 2027
- BI436, Green Infrastructure and Urban Vegetation, Spring 2027
- PL412, Human intervention on landscapes, Spring 2027
- PL491, Bachelor thesis in Landscape planning with landscape Architecture, Spring 2027
- PL491, Bachelor thesis in Landscape planning with landscape Architecture, Fall 2026
Publications
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Same data, different analysts: variation in effect sizes due to analytical decisions in ecology and evolutionary biology
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Terrain is a stronger predictor of peat depth than airborne radiometrics in Norwegian landscapes
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Walking on the dark side: Anthropogenic factors limit suitable habitat for gray wolf (Canis lupus) in a large natural area covering Belarus and Ukraine
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Application of copper(II)-based chemicals induces CH3Br and CH3Cl emissions from soil and seawater
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Forecasting the continued naturalization of widely planted alien conifers: On Sitka spruce (Picea sitchensis) in Norway