MarLim is a well-established and successful consulting firm that has been providing services to the: private, engineering, forest, mining, and government sectors for over 25 years.  MarLim has a good rapport and extensive experience with Ministry of Forests, Lands & Natural Resource Operations (MoFLNRO), Department of Fisheries and Oceans Canada (DFO) and with many Municipal Governments throughout BC.  We have had an office in the Surrey/White Rock area since 1990 and in Prince George since 1996.  Perhaps the strongest attribute of MarLim is our relatively small staff made up of accomplished and qualified individuals.  Working with MarLim, clients know exactly what they are getting from our company, and who is doing the work.  We offer low overhead prices, and are able to give every client top priority to complete projects with the utmost thorough and personal attention.

Marlim is a SAFE Certified Company

Since 2008


Below you can view all our friendly and experienced staff.

Mark Gollner, BSc, RPBio, PBiol. Mark@marlimecological.com

Senior Biologist, President, Project Manager

Mark has over 30 years of experience, including many Aquatic Surveys and Inventories throughout British Columbia in marine and freshwater ecosystems. He has extensive experience involving Stream Classification and Habitat Assessments and an unequaled concern for adherence to scientific method and procedures during field sampling, data analysis and report preparation.

Sonya Oetterich, MSc. sonya@marlimecological.com

Junior Biologist

Sonya joined Marlim Ecological in August 2018 as a Junior Biologist and Fisheries Technician. She has worked for Fisheries and Oceans Canada in the field and the lab conducting water quality and food web analyses. Sonya has worked on a variety of terrestrial and aquatic restoration projects throughout her Masters degree. Sonya is a hard working and passionate biologist.

Cindy Gollner, B.Ed. cindy@marlimecological.com

Administrative Assistant

Cindy joined Marlim in 1996 and provides administrative, office, safety coordination and operational organization support. She is an essential member of our small but efficient team.

Jeffrey Gollner jeffrey@marlimecological.com

Field Technician

Jeffrey has been employed by Marlim on a part-time basis since 2003 and is responsible for taking on work if another field/office staff becomes ill or injured during the course of a project. He has 9 years of fisheries experience including limnology sampling, Stream Inventory and Habitat Mapping, stream classification, assessments and sampling, and stream channel, wetland, and pond restoration. Jeffrey is a highly motivated, energetic, and responsible individual.