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Landscape architecture

Arboretum Otaniemi

Our aim is to raise public awareness of the variety and significance of trees in the campus landscape. They grow in unique conditions on public and private land. The arboretum is a live learning environment for students and everyone interested.
Map with trees, roads, and labels. Labels include Ace p., Til c., and Que ro. Some areas are highlighted with red and blue lines.
Image (cropped) credit: "Otaniemen Arboretum: Kartanoalueiden kartoitus". Koo Okkonen 2025.

The project covers the entire Otaniemi area.

You can view the spatial data of the project on the . 

A screen captured image of QGIS-map file.
Screenshot of the project's QGIS map data. Photo: Koo Okkonen, 2025.

The visual map illustrates our study around the historic manors. 

A detailed map of Otaniemi Arboretum.
Image: "Otaniemen Arboretum: Kartanoalueiden kartoitus". Koo Okkonen 2025.

The map is based on the 2024 orthophoto from the City of Espoo's open WMS data and the current base map (CC-BY 4.0 © City of Espoo, paikkatieto) and has been modified according to the visual needs of the map. The data was retrieved in July 2025 from:  

Historical aerial photos from the paikkatietoikkuna service have been used to map the buildings and roads from the manor period. The data was produced by the National Land Survey of Finland and was retrieved in June 2025 from: kartta.paikkatietoikkuna.fi 

You can view and download the visual map as a PDF file from the link below. 

Esikatselu: "Arboretum Otaniemi: Kartanoalueiden kartoitus" (Koo Okkonen 2025), pdf, attachment
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Pictures of tree specimens surveyed in the project

A large tree with green leaves in front of a brick building. A black car is parked on the right side.
Euroopanpyökki, Tietotie 1. Kuva: Koo Okkonen, 15.5.2025
A leafless birch tree stands in front of a snowy parking lot with cars and streetlights. The sky is overcast.
Hieskoivu, Tuas-parkkialue Maarintie 17. Kuva: Koo Okkonen, 18.2.2025
A tree with pink blossoms stands in front of a red brick building with multiple windows.
Rusokirsikka, Miestentie 3. Kuva: Koo Okkonen, 24.4.2025
Leafless trees and bushes with new growth in front of a car park and brick buildings.
Sorvarinpensas, Kivimiehentie. Kuva: Koo Okkonen, 24.3.2025
A tall tree with sparse branches stands near a street and buildings. Cars are parked on the street.
Tervaleppä, Betonimiehenkuja 2. Kuva: Koo Okkonen, 24.3.2025
A tall green tree stands in front of a red-brick building on a sunny day.
Vuorijalava, Valimon kulma. Kuva: Koo Okkonen, 1.7.2025
A forest with tall trees and fresh green leaves, seen on a sunny day. A dirt path winds through the trees.
Tuomi, Kemianlaitoksen metsä. Kuva: Koo Okkonen, 24.3.2025

Project lead: Meri Mannerla-Magnusson, Lecturer in Landscape Architecture, Department of Architecture.

Site mapping and spatial data generation: Koo Okkonen, horticulturist and master's student in Landscape Architecture, Department of Architecture. 

Illustrated map: Koo Okkonen, 2025 

The Kone Foundation has supported the project with a donation it granted to the Aalto University Department of Arts and Design in 2022. Part of the grant was awarded to initiatives by members of the Department of Architecture. 

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Landscape Research Laboratory

Landscape laboratory brings together landscape architecture research projects, collaboration networks, publication projects and dissertations

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Research at the Department of Architecture

Our research offers solutions to the planetary crises through analytical and creative mindsets.

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