Sam Wenaas Perrin
Om
Since May 2023 I've been working on the Hotspots project, which aims to map Norwegian biodiversity in an attempt to figure out which regions of Norway need to be prioritised for conservation. My work has involved the construction of automated data pipelines which download, process and then integrate a wide variety of data sets into species distribution models, as well as coordinating a team of interdisicplinary researchers and communicating our project results.
Before my time on the hotspots project, I completed my PhD on the joint effects of climate change and invasive species on freshwater ecosystems in Scandinavia. The project involved extensive statistical modelling, but also an eco-sociological exploration of what defines an invasive species, and how people feel invasive species should be managed, particularly in light of climate change. I've also been lucky enough to talk and teach about invasive species and biogeography in Master's courses and public events.
I am a keen scientific communicator, and founded and edited the website Ecology for the Masses. I have written a plethora of ecological articles for different publications, including The Niche, The Biologist, Kaiju Ramen and Unite for Nature. I also produced the podcast Biologists of Middle Earth, which interviewed biologists about fictional research projects based in Tolkein's world.
Between my stints at NTNU I also worked at Ducky AS, calculating and communicating how individuals can make a positive impact on Norway's greenhouse gas emissions. I'm also a member of Scientist Rebellion Norway.
Feel free to get in touch if you have any questions about:
- Invasive species in Norway or Australia
- Modelling species distributions using open data
- Science communication
- The biodiversity or climate crisis - what it means, what we can do
Kompetanseord
Publikasjoner
2026
-
Finstad, Anders Gravbrøt;
Perrin, Sam Wenaas;
Mostert, Philip Stanley;
Krogstie, Hanne Bjørnås;
Togunov, Ron Ronald;
Herfindal, Ivar;
O'Hara, Robert Brian.
(2026)
Modellering av heldekkende kart over artsmangfold: Pilotering av romlig-temporære modeller og modeller for ferskvann.
Norges teknisk-naturvitenskapelige universitet
Forskningsrapport
2025
-
Finstad, Anders Gravbrøt;
Chipperfield, Joseph;
Grytnes, John-Arvid;
Herfindal, Ivar;
O'Hara, Robert Brian;
Adjei, Kwaku Peprah;
Perrin, Sam Wenaas;
Mostert, Philip Stanley;
Togunov, Ron Ronald;
Töpper, Joachim Paul.
(2025)
Hotspots for arter.
Miljødirektoratet
Kart
-
Paiba Garcia, Laura Catherine;
Johnsen, Geir;
Perrin, Sam Wenaas;
Bakken, Torkild.
(2025)
Open‐Source Marine Biodiversity Data Quality in the Norwegian Sea Spanning 149 Years: Knowledge Gaps in the Deep‐Sea Mining Opening Area.
Ecology and Evolution
Vitenskapelig artikkel
-
Herfindal, Ivar;
Perrin, Sam;
Adjei, Kwaku Peprah;
Mostert, Philip Stanley;
Togunov, Ron Ronald;
Töpper, Joachim Paul;
Grytnes, John-Arvid;
Chipperfield, Joseph;
O'Hara, Robert Brian;
Finstad, Anders Gravbrøt.
(2025)
Modellering av heildekkande kart over artsmangfald – Betre kunnskap for arealbasert forvaltning av natur.
Norges teknisk-naturvitenskapelige universitet
Forskningsrapport
-
Finstad, Anders Gravbrøt;
Perrin, Sam Wenaas;
Adjei, Kwaku Peprah;
Mostert, Philip Stanley;
Togunov, Ron Ronald;
Herfindal, Ivar;
Töpper, Joachim Paul;
Grytnes, John-Arvid;
Chipperfield, Joseph;
O'Hara, Bob.
(2025)
Arbeidsflyt for modellering av heildekkande utbreiingskart for artsmangfald.
Norges teknisk-naturvitenskapelige universitet
Forskningsrapport
-
Mostert, Philip Stanley;
Bjørkås, Ragnhild;
Bruls, Angeline Josephine Hubert Mari;
Koch, Wouter;
Martin, Ellen Claire;
Perrin, Sam.
(2025)
intSDM: An R Package for Building a Reproducible Workflow for the Field of Integrated Species Distribution Models.
Ecology and Evolution
Vitenskapelig artikkel
2024
-
Perrin, Sam;
Lundmark, Carina;
Wenaas, Camilla Perrin;
Finstad, Anders Gravbrøt.
(2024)
Contrasts in perception of the interaction between non-native species and climate change.
NeoBiota
Vitenskapelig artikkel
-
Muhlfeld, Clint C.;
Cline, Timothy J.;
Finstad, Anders Gravbrøt;
Hessen, Dag Olav;
Perrin, Sam;
Thaulow, Jens;
Whited, Diane;
Vøllestad, Leif Asbjørn.
(2024)
Climate change vulnerability of Arctic char across Scandinavia.
Global Change Biology
Vitenskapelig artikkel
2023
-
Perrin, Sam;
Veylit, Lara;
Hakvåg, Sigrid;
Piarulli, Stefania.
(2023)
eDNA & accuracy: overcoming the challenges.
The Biologist
Populærvitenskapelig artikkel
2021
-
Perrin, Sam;
van der Veen, Bert;
Golding, Nick;
Finstad, Anders Gravbrøt.
(2021)
Modelling temperature-driven changes in species associations across freshwater communities.
Global Change Biology
Vitenskapelig artikkel
-
Perrin, Sam;
Bærum, Kim Magnus;
Helland, Ingeborg Palm;
Finstad, Anders Gravbrøt.
(2021)
Forecasting the future establishment of invasive alien freshwater fish species.
Journal of Applied Ecology
Vitenskapelig artikkel
2020
-
Perrin, Sam Wenaas;
Englund, Göran;
Blumentrath, Stefan;
OHara, Robert Brian;
Amundsen, Per-Arne;
Finstad, Anders Gravbrøt.
(2020)
Integrating dispersal along freshwater ecosystems into species distribution models.
Diversity and Distributions: A Journal of Conservation Biogeography
Vitenskapelig artikkel
2019
-
Perrin, Sam.
(2019)
Futurum.
Utstilling
2017
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Perrin, Sam;
Zoysa, Rapti Siriwardane-de.
(2017)
Women in marine science: The efficacy of ecofeminist theory in the wake of historical critique.
Leibniz Centre for Marine Research: Working Paper Series
Populærvitenskapelig artikkel
Tidsskriftspublikasjoner
-
Paiba Garcia, Laura Catherine;
Johnsen, Geir;
Perrin, Sam Wenaas;
Bakken, Torkild.
(2025)
Open‐Source Marine Biodiversity Data Quality in the Norwegian Sea Spanning 149 Years: Knowledge Gaps in the Deep‐Sea Mining Opening Area.
Ecology and Evolution
Vitenskapelig artikkel
-
Perrin, Sam;
Zoysa, Rapti Siriwardane-de.
(2017)
Women in marine science: The efficacy of ecofeminist theory in the wake of historical critique.
Leibniz Centre for Marine Research: Working Paper Series
Populærvitenskapelig artikkel
-
Perrin, Sam;
Veylit, Lara;
Hakvåg, Sigrid;
Piarulli, Stefania.
(2023)
eDNA & accuracy: overcoming the challenges.
The Biologist
Populærvitenskapelig artikkel
-
Perrin, Sam;
van der Veen, Bert;
Golding, Nick;
Finstad, Anders Gravbrøt.
(2021)
Modelling temperature-driven changes in species associations across freshwater communities.
Global Change Biology
Vitenskapelig artikkel
-
Perrin, Sam;
Lundmark, Carina;
Wenaas, Camilla Perrin;
Finstad, Anders Gravbrøt.
(2024)
Contrasts in perception of the interaction between non-native species and climate change.
NeoBiota
Vitenskapelig artikkel
-
Perrin, Sam;
Bærum, Kim Magnus;
Helland, Ingeborg Palm;
Finstad, Anders Gravbrøt.
(2021)
Forecasting the future establishment of invasive alien freshwater fish species.
Journal of Applied Ecology
Vitenskapelig artikkel
-
Muhlfeld, Clint C.;
Cline, Timothy J.;
Finstad, Anders Gravbrøt;
Hessen, Dag Olav;
Perrin, Sam;
Thaulow, Jens;
Whited, Diane;
Vøllestad, Leif Asbjørn.
(2024)
Climate change vulnerability of Arctic char across Scandinavia.
Global Change Biology
Vitenskapelig artikkel
-
Perrin, Sam Wenaas;
Englund, Göran;
Blumentrath, Stefan;
OHara, Robert Brian;
Amundsen, Per-Arne;
Finstad, Anders Gravbrøt.
(2020)
Integrating dispersal along freshwater ecosystems into species distribution models.
Diversity and Distributions: A Journal of Conservation Biogeography
Vitenskapelig artikkel
-
Mostert, Philip Stanley;
Bjørkås, Ragnhild;
Bruls, Angeline Josephine Hubert Mari;
Koch, Wouter;
Martin, Ellen Claire;
Perrin, Sam.
(2025)
intSDM: An R Package for Building a Reproducible Workflow for the Field of Integrated Species Distribution Models.
Ecology and Evolution
Vitenskapelig artikkel
Kunstneriske produksjoner
-
Perrin, Sam.
(2019)
Futurum.
Utstilling
Rapport
-
Finstad, Anders Gravbrøt;
Perrin, Sam Wenaas;
Mostert, Philip Stanley;
Krogstie, Hanne Bjørnås;
Togunov, Ron Ronald;
Herfindal, Ivar;
O'Hara, Robert Brian.
(2026)
Modellering av heldekkende kart over artsmangfold: Pilotering av romlig-temporære modeller og modeller for ferskvann.
Norges teknisk-naturvitenskapelige universitet
Forskningsrapport
-
Herfindal, Ivar;
Perrin, Sam;
Adjei, Kwaku Peprah;
Mostert, Philip Stanley;
Togunov, Ron Ronald;
Töpper, Joachim Paul;
Grytnes, John-Arvid;
Chipperfield, Joseph;
O'Hara, Robert Brian;
Finstad, Anders Gravbrøt.
(2025)
Modellering av heildekkande kart over artsmangfald – Betre kunnskap for arealbasert forvaltning av natur.
Norges teknisk-naturvitenskapelige universitet
Forskningsrapport
-
Finstad, Anders Gravbrøt;
Perrin, Sam Wenaas;
Adjei, Kwaku Peprah;
Mostert, Philip Stanley;
Togunov, Ron Ronald;
Herfindal, Ivar;
Töpper, Joachim Paul;
Grytnes, John-Arvid;
Chipperfield, Joseph;
O'Hara, Bob.
(2025)
Arbeidsflyt for modellering av heildekkande utbreiingskart for artsmangfald.
Norges teknisk-naturvitenskapelige universitet
Forskningsrapport
ANNEN
-
Finstad, Anders Gravbrøt;
Chipperfield, Joseph;
Grytnes, John-Arvid;
Herfindal, Ivar;
O'Hara, Robert Brian;
Adjei, Kwaku Peprah;
Perrin, Sam Wenaas;
Mostert, Philip Stanley;
Togunov, Ron Ronald;
Töpper, Joachim Paul.
(2025)
Hotspots for arter.
Miljødirektoratet
Kart
Formidling
2025
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IntervjuPerrin, Sam Wenaas; Bakken, Torkild; Paiba Garcia, Laura Catherine; Horsley, Harold Stuart Lachlan. (2025) Earth’s final frontier.
2024
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KonferanseforedragTogunov, Ron Ronald; Perrin, Sam; Mostert, Philip Stanley; Van Moorter, Bram; Panzacchi, Manuela; Finstad, Anders Gravbrøt; Jacobsen, Rannveig Margrete Vigdisdatter; Chipperfield, Joseph; Adjei, Kwaku Peprah; O'Hara, Robert Brian. (2024) Come together: Joining species distribution and connectivity models for improved mapping of functional habitat for Norwegian wood beetles. [Talk ID: 235]. ISEC International Statistical Ecology Conference
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KonferanseforedragMostert, Philip Stanley; Adjei, Kwaku Peprah; Togunov, Ron Ronald; Perrin, Sam; Chipperfield, Joseph; Finstad, Anders Gravbrøt; OHara, Robert Brian. (2024) Estimating hotspots using automated pipelines and large-scale integrated species distribution models. International Statistical Ecology Conference
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KonferanseforedragPerrin, Sam. (2024) Digital twins of biodiversity; concepts, workflows and data. SBDI Days 2024: Towards Data-driven Ecology
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KonferanseposterMostert, Philip Stanley; Koch, Wouter; Bruls, Angeline; Martin, Ellen Claire; Bjørkås, Ragnhild; Perrin, Sam. (2024) A Reproducible Workflow for the Field of Integrated Species Distribution Models. SBDI Days
2020
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Intervju
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KonferanseforedragPerrin, Sam Wenaas; Bærum, Kim Magnus; Finstad, Anders Gravbrøt. (2020) Forecasting Introduction Events of Invasive Freshwater Fish Species. Ecology in the Anthropocene: The 4th Conference of the Nordic Society Oikos
2019
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Intervju
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KonferanseforedragPerrin, Sam; Golding, Nick; Finstad, Anders Gravbrøt. (2019) Modelling changes in species associations in a warming climate. 4th Conference of the Norwegian Ecological Society
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KonferanseposterHelland, Ingeborg Palm; Finstad, Anders Gravbrøt; Blumentrath, Stefan; Bærum, Kim Magnus; Perrin, Sam; Fossøy, Frode. (2019) Hvordan stoppe spredning av fremmed fisk?. Vannmiljøkonferansen
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Intervju
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Intervju
2018
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ForedragPerrin, Sam; Blumentrath, Stefan; O'Hara, Robert B.; Englund, Göran; Finstad, Anders Gravbrøt; Amundsen, Per-Arne. (2018) Predicting the effects of invasive species on fish at a community level in the face of climate change. Oikos
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ForedragPerrin, Sam; O'Hara, Robert B.; Amundsen, Per-Arne; Blumentrath, Stefan; Finstad, Anders Gravbrøt. (2018) Predicting the effects of invasive species on fish at a community level in the face of climate change. 9th International Charr Symposium
2017
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KonferanseposterPerrin, Sam; O'Hara, Robert B.; Amundsen, Per-Arne; Blumentrath, Stefan; Finstad, Anders Gravbrøt. (2017) Predicting the effects of climate change on fish at a community level. Ecology Across Borders