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Trondheim urban biodyversity survey

Citation

Aagaard K H, Fremstad E, Gjershaug J O, Petersen T K (2020). Trondheim urban biodyversity survey. Version 1.2. Norwegian University of Science and Technology. Sampling event dataset https://doi.org/10.15468/w86hxo accessed via GBIF.org on 2025-06-18.

Description

Project conducted in 2001-2002 to evaluate fauna (birds and bumblebees) and flora composition along an urbanization gradient in Trondheim.

Sampling Description

Study Extent

The study was carried out within the Norwegian Trondheim Municipality administrative borders, around 63.42°N, 10.38°E. The study area was split into five sectors to reflect variation in land cover (build-up area vs. natural vegetation), age of build-up structures, and landscape architecture. The investigators subjectively determined these sectors. Within each sector, 10 plots of 100m × 100m (50 in total, plus 6 in addition to cover the landscape variation) were placed semi-randomly, aiming to cover most of the within-sector variation (e.g. plots randomly covering completely build-up area in the most urban sector were complemented with typical park-like plots within the sector). The most urbanised areas of the city were not included in the gradient.

Sampling

During field seasons in 2001 and 2002, a trained botanist from the NTNU University Museum (E. Fremstad) registered all plant species and their rank abundances on a 1-4 scale (rare – scattered – common – dominant). Regarding the birds, every plot was surveyed by walking through the plot very morning and registering all birds seen or heard. Every plot was surveyed a minimum of 5 times through the period of 7/5-2001 to 10/6-2001. The number of breeding pairs of stationary males were counted. For the bumblebees, presence or absence of single species were noted during the surveying period.

Method steps

  1. -

Taxonomic Coverages

All vascular plants were identified to species (a few taxa only identified to genus) and recorded on a rank-aundance scale (1-4, rare - scattered - common - dominant), breeding birds (couples or stationary males) were identified to species and counted (abundance), and bumblebees were identfied to species (presence absence). All registrations were done within 100m*100m plots
  1. Turdus pilaris
    rank: species
  2. Passer domesticus
    rank: species
  3. Pica pica
    rank: species
  4. Chloris chloris
    rank: species
  5. Cyanistes caeruleus
    rank: species
  6. Phylloscopus collybita
    rank: species
  7. Fringilla coelebs
    rank: species
  8. Parus major
    rank: species
  9. Corvus frugilegus
    rank: species
  10. Turdus iliacus
    rank: species
  11. Sturnus vulgaris
    rank: species
  12. Carduelis spinus
    rank: species
  13. Phylloscopus trochilus
    rank: species
  14. Corvus cornix
    rank: species
  15. Prunella modularis
    rank: species
  16. Columba palumbus
    rank: species
  17. Erithacus rubecula
    rank: species
  18. Corvus monedula
    rank: species
  19. Emberiza citrinella
    rank: species
  20. Motacilla alba
    rank: species
  21. Larus canus
    rank: species
  22. Turdus merula
    rank: species
  23. Turdus philomelos
    rank: species
  24. Sylvia communis
    rank: species
  25. Muscicapa striata
    rank: species
  26. Ficedula hypoleuca
    rank: species
  27. Periparus ater
    rank: species
  28. Fringilla montifringilla
    rank: species
  29. Anas platyrhynchos
    rank: species
  30. Bombus pascuorum
    rank: species
  31. Bombus hypnorum
    rank: species
  32. Bombus lucorum
    rank: species
  33. Bombus lapidarius
    rank: species
  34. Bombus hortorum
    rank: species
  35. Bombus pratorum
    rank: species
  36. Bombus soroeensis
    rank: species
  37. Bombus bohemicus
    rank: species
  38. Bombus sylvestris
    rank: species
  39. Acer platanoides
    rank: species
  40. Acer pseudoplatanus
    rank: species
  41. Achillea millefolium
    rank: species
  42. Achillea ptarmica
    rank: species
  43. Aconitum septentrionale
    rank: species
  44. Actaea spicata
    rank: species
  45. Aegopodium podagraria
    rank: species
  46. Aesculus hippocastanum
    rank: species
  47. Aethusa cynapium
    rank: species
  48. Agrostis capillaris
    rank: species
  49. Agrostis gigantea
    rank: species
  50. Agrostis stolonifera
    rank: species
  51. Alchemilla glabra
    rank: species
  52. Alchemilla gracilis
    rank: species
  53. Alchemilla glaucescens
    rank: species
  54. Alchemilla monticola
    rank: species
  55. Alchemilla murbeckiana
    rank: species
  56. Alchemilla propinqua
    rank: species
  57. Alchemilla subcrenata
    rank: species
  58. Alchemilla subglobosa
    rank: species
  59. Alchemilla wichurae
    rank: species
  60. Alisma plantago-aquatica
    rank: species
  61. Alliaria petiolata
    rank: species
  62. Alnus incana
    rank: species
  63. Alopecurus geniculatus
    rank: species
  64. Alopecurus pratensis
    rank: species
  65. Amelanchier spicata
    rank: species
  66. Andromeda polifolia
    rank: species
  67. Anemone nemorosa
    rank: species
  68. Angelica sylvestris
    rank: species
  69. Anthoxanthum odoratum
    rank: species
  70. Anthriscus sylvestris
    rank: species
  71. Anthyllis vulneraria
    rank: species
  72. Aquilegia vulgaris
    rank: species
  73. Arabis hirsuta
    rank: species
  74. Arenaria serpyllifolia
    rank: species
  75. Artemisia vulgaris
    rank: species
  76. Aruncus dioicus
    rank: species
  77. Asplenium trichomanes
    rank: species
  78. Athyrium filix-femina
    rank: species
  79. Avena pubescens
    rank: species
  80. Barbarea vulgaris
    rank: species
  81. Betula nana
    rank: species
  82. Betula pendula
    rank: species
  83. Betula pubescens
    rank: species
  84. Bistorta vivipara
    rank: species
  85. Blechnum spicant
    rank: species
  86. Brassica sp.
    rank: genus
  87. Calamagrostis purpurea
    rank: species
  88. Calluna vulgaris
    rank: species
  89. Caltha palustris
    rank: species
  90. Calystegia sepium
    rank: species
  91. Campanula latifolia
    rank: species
  92. Campanula rapunculoides
    rank: species
  93. Campanula rotundifolia
    rank: species
  94. Campanula trachelium
    rank: species
  95. Capsella bursa-pastoris
    rank: species
  96. Cardamine amara
    rank: species
  97. Carduus crispus
    rank: species
  98. Cardamine hirsuta
    rank: species
  99. Cardamine pratensis
    rank: species
  100. Carex canescens
    rank: species
  101. Carex demissa
    rank: species
  102. Carex digitata
    rank: species
  103. Carex echinata
    rank: species
  104. Carex lasiocarpa
    rank: species
  105. Carex nigra
    rank: species
  106. Carex ovalis
    rank: species
  107. Carex pallescens
    rank: species
  108. Carex panicea
    rank: species
  109. Carex pauciflora
    rank: species
  110. Carex pilulifera
    rank: species
  111. Carex rostrata
    rank: species
  112. Carex vaginata
    rank: species
  113. Carum carvi
    rank: species
  114. Centaurea montana
    rank: species
  115. Cerastisum arvense
    rank: species
  116. Cerastium fontanum
    rank: species
  117. Cerastium glomeratum
    rank: species
  118. Chamomilla suaveolens
    rank: species
  119. Chenopodium album
    rank: species
  120. Chenopoduim sp.
    rank: genus
  121. Chrysosplenium alternifolium
    rank: species
  122. Cirsium arvense
    rank: species
  123. Cirsium helenioides
    rank: species
  124. Cirsium palustre
    rank: species
  125. Cirsium vulgare
    rank: species
  126. Convallaria majalis
    rank: species
  127. Cornus alba
    rank: species
  128. Cornus suecica
    rank: species
  129. Corylus avellana
    rank: species
  130. Cotoneaster lucidus
    rank: species
  131. Cotoneaster villosulus
    rank: species
  132. Cotoneaster villosulus
    rank: species
  133. Cystopteris fragilis
    rank: species
  134. Dactylis glomerata
    rank: species
  135. Dactylorhiza maculata
    rank: species
  136. Deschampsia caespitosa
    rank: species
  137. Deschampsia flexuosa
    rank: species
  138. Descurainia sophia
    rank: species
  139. Drosera rotundifolia
    rank: species
  140. Dryopteris carthusiana
    rank: species
  141. Dryopteris expansa
    rank: species
  142. Dryopteris filix-mas
    rank: species
  143. Elymus caninus
    rank: species
  144. Elymus repens
    rank: species
  145. Empetrum nigrum
    rank: species
  146. Epilobium angustifolium
    rank: species
  147. Epilobium montanum
    rank: species
  148. Epilobium palustre
    rank: species
  149. Epilobium watsonii
    rank: species
  150. Equisetum arvense
    rank: species
  151. Equisetum fluviatile
    rank: species
  152. Equisetum palustre
    rank: species
  153. Equisetum pratense
    rank: species
  154. Equisetum sylvaticum
    rank: species
  155. Eriophorum angustifolium
    rank: species
  156. Eriophorum latifolium
    rank: species
  157. Eriophorum vaginatum
    rank: species
  158. Erophila verna
    rank: species
  159. Erysimum cheiranthoides
    rank: species
  160. Erysimum hieraciifolium
    rank: species
  161. Euphorbia helioscopia
    rank: species
  162. Euphorbia sp.
    rank: species
  163. Fallopia ×bohemica
    rank: species
  164. Fallopia japonica
    rank: species
  165. Festuca ovina
    rank: species
  166. Festuca pratensis
    rank: species
  167. Festuca rubra
    rank: species
  168. Filaginella uliginosa
    rank: species
  169. Filipendula ulmaria
    rank: species
  170. Fragaria vesca
    rank: species
  171. Fraxinus excelsior
    rank: species
  172. Fumaria officinalis
    rank: species
  173. Gagea lutea
    rank: species
  174. Galeopsis bifida
    rank: species
  175. Galeopsis speciosa
    rank: species
  176. Galium album
    rank: species
  177. Galium aparine
    rank: species
  178. Galium boreale
    rank: species
  179. Galium palustre
    rank: species
  180. Galium verum
    rank: species
  181. Gentianella campestris
    rank: species
  182. Geranium robertianum
    rank: species
  183. Geranium sylvaticum
    rank: species
  184. Geum rivale
    rank: species
  185. Geum urbanun
    rank: species
  186. Glechoma hederacea
    rank: species
  187. Glyceria fluitans
    rank: species
  188. Gymnocarpium dryopteris
    rank: species
  189. Hepatica nobilis
    rank: species
  190. Heracleum sibiricum
    rank: species
  191. Heracleum sp.
    rank: genus
  192. Heracleum sphondylium
    rank: species
  193. Hesperis matronalis
    rank: species
  194. Hieracium sp.
    rank: genus
  195. Hippophae rhamnoides
    rank: species
  196. Hypericum maculatum
    rank: species
  197. Juncus alpinoarticulatus
    rank: species
  198. Juncus articulatus
    rank: species
  199. Juncus bufonius
    rank: species
  200. Juncus conglomeratus
    rank: species
  201. Juniperus communis
    rank: species
  202. Knautia arvensis
    rank: species
  203. Laburnum alpinum
    rank: species
  204. Lamium confertum
    rank: species
  205. Lamium purpureum
    rank: species
  206. Lapsana communis
    rank: species
  207. Larix sp.
    rank: genus
  208. Lathyrus pratensis
    rank: species
  209. Leontodon autumnalis
    rank: species
  210. Leucanthemum vulgare
    rank: species
  211. Lilium martagon
    rank: species
  212. Linaria vulgaris
    rank: species
  213. Linnaea borealis
    rank: species
  214. Linum catharticum
    rank: species
  215. Lolium multiflorum
    rank: species
  216. Lolium perenne
    rank: species
  217. Lonicera caerulea
    rank: species
  218. Lotus corniculatus
    rank: species
  219. Lupinus polyphyllus
    rank: species
  220. Luzula multiflora
    rank: species
  221. Luzula pilosa
    rank: species
  222. Lychnis flos-cuculi
    rank: species
  223. Lycopodium annotinum
    rank: species
  224. Lysimachia nummularia
    rank: species
  225. Lysimachia punctata
    rank: species
  226. Maianthemum bifolium
    rank: species
  227. Matricaria perforata
    rank: species
  228. Matteuccia struthiopteris
    rank: species
  229. Matteuccia struthiopteris
    rank: species
  230. Melampyrum pratense
    rank: species
  231. Melampyrum sylvaticum
    rank: species
  232. Melica nutans
    rank: species
  233. Menyanthes trifoliata
    rank: species
  234. Moehringia trinervia
    rank: species
  235. Molinia caerulea
    rank: species
  236. Muscari botryoides
    rank: species
  237. Myosotis arvensis
    rank: species
  238. Myosotis laxa caespitosa
    rank: subspecies
  239. Nardus stricta
    rank: species
  240. Orthilia secunda
    rank: species
  241. Oxalis acetosella
    rank: species
  242. Papaver nudicaule
    rank: species
  243. Paris quadrifolia
    rank: species
  244. Persicaria lapathifolia
    rank: species
  245. Persicaria maculosa
    rank: species
  246. Phalaris arundinacea
    rank: species
  247. Phegopteris connectilis
    rank: species
  248. Phleum pratense
    rank: species
  249. Picea abies
    rank: species
  250. Picris hieracioides
    rank: species
  251. Pimpinella saxifraga
    rank: species
  252. Pinguicula vulgaris
    rank: species
  253. Pinus cembra
    rank: species
  254. Pinus sp.
    rank: genus
  255. Pinus sylvestris
    rank: species
  256. Plantago major
    rank: species
  257. Plantago media
    rank: species
  258. Platanthera bifolia
    rank: species
  259. Poa alpina
    rank: species
  260. Poa annua
    rank: species
  261. Poa glauca
    rank: species
  262. Poa nemoralis
    rank: species
  263. Poa pratensis
    rank: species
  264. Poa trivialis
    rank: species
  265. Polygonum aviculare aviculare
    rank: subspecies
  266. Polygonum aviculare boreale
    rank: subspecies
  267. Polygonum aviculare neglectum
    rank: subspecies
  268. Polygonatum multiflorum
    rank: species
  269. Polygonatum odoratum
    rank: species
  270. Polygala vulgaris
    rank: species
  271. Populus balsamifera
    rank: species
  272. Populus tremula
    rank: species
  273. Potentilla anserina
    rank: species
  274. Potentilla argyrophylla
    rank: species
  275. Potentilla erecta
    rank: species
  276. Potentilla norvegica
    rank: species
  277. Potentilla palustris
    rank: species
  278. Primula elatior
    rank: species
  279. Prunus avium
    rank: species
  280. Prunus padus
    rank: species
  281. Prunella vulgaris
    rank: species
  282. Pyrola minor
    rank: species
  283. Ranunculus acris
    rank: species
  284. Ranunculus auricomus
    rank: species
  285. Ranunculus ficaria
    rank: species
  286. Ranunculus repens
    rank: species
  287. Raphanus sativus
    rank: species
  288. Rhinanthus minor
    rank: species
  289. Ribes alpinum
    rank: species
  290. Ribes nigrum
    rank: species
  291. Ribes rubrum
    rank: species
  292. Ribes spicatum
    rank: species
  293. Ribes spicatum
    rank: species
  294. Rorippa palustris
    rank: species
  295. Rorippa sylvestris
    rank: species
  296. Rosa caesia
    rank: species
  297. Rosa dumalis
    rank: species
  298. Rosa majalis
    rank: species
  299. Rosa mollis
    rank: species
  300. Rosa rugosa
    rank: species
  301. Rubus chamaemorus
    rank: species
  302. Rubus idaeus
    rank: species
  303. Rubus saxatilis
    rank: species
  304. Rumex acetosa
    rank: species
  305. Rumex acetosella
    rank: species
  306. Rumex longifolius
    rank: species
  307. Sagina procumbens
    rank: species
  308. Salix aurita
    rank: species
  309. Salix caprea
    rank: species
  310. Salix lapponum
    rank: species
  311. Salix myrsinites
    rank: species
  312. Salix pentandra
    rank: species
  313. Salix viminalis
    rank: species
  314. Sambucus racemosa
    rank: species
  315. Saxifraga hypnoides
    rank: species
  316. Saxifraga umbrosa
    rank: species
  317. Scilla sibirica
    rank: species
  318. Sedum acre
    rank: species
  319. Sedum aizoon
    rank: species
  320. Sedum hybridum
    rank: species
  321. Sedum sp.
    rank: genus
  322. Sedum telephium telephium
    rank: subspecies
  323. Senecio viscosus
    rank: species
  324. Senecio vulgaris
    rank: species
  325. Silene dioica
    rank: species
  326. Sinapis arvensis
    rank: species
  327. Solidago virgaurea
    rank: species
  328. Sonchus asper
    rank: species
  329. Sorbus aucuparia
    rank: species
  330. Sorbus hybrida
    rank: species
  331. Sorbus intermedia
    rank: species
  332. Sorbaria sorbifolia
    rank: species
  333. Sorbus sp.
    rank: genus
  334. Spergula arvensis
    rank: species
  335. Spiraea chamaedryfolia
    rank: species
  336. Stachys sylvatica
    rank: species
  337. Stellaria graminea
    rank: species
  338. Stellaria nemorum
    rank: species
  339. Stellaria media
    rank: species
  340. Succisa pratensis
    rank: species
  341. Syringa sp.
    rank: genus
  342. Tanacetum vulgare
    rank: species
  343. Taraxacum Ruderalia
  344. Thlaspi caerulescens
    rank: species
  345. Trichophorum cespitosum
    rank: species
  346. Trientalis europaea
    rank: species
  347. Trifolium hybridum
    rank: species
  348. Trifolium pratense
    rank: species
  349. Trifolium repens
    rank: species
  350. Triglochin palustris
    rank: species
  351. Tussilago farfara
    rank: species
  352. Ulmus glabra
    rank: species
  353. Urtica dioica
    rank: species
  354. Vaccinium myrtillus
    rank: species
  355. Vaccinium oxycoccos microcarpum
    rank: subspecies
  356. Vaccinium uliginosum
    rank: species
  357. Vaccinium vitis-idaea
    rank: species
  358. Valeriana sambucifolia
    rank: species
  359. Veronica beccabunga
    rank: species
  360. Veronica chamaedrys
    rank: species
  361. Veronica officinalis
    rank: species
  362. Veronica persica
    rank: species
  363. Veronica scutellata
    rank: species
  364. Veronica serpyllifolia
    rank: species
  365. Viburnum opulus
    rank: species
  366. Vicia cracca
    rank: species
  367. Vicia sepium
    rank: species
  368. Vicia sylvatica
    rank: species
  369. Viola arvensis
    rank: species
  370. Viola canina montana
    rank: subspecies
  371. Viola palustris
    rank: species
  372. Viola riviniana
    rank: species
  373. Viola tricolor
    rank: species

Geographic Coverages

Within the Norwegian Trondheim Municipality administrative borders. The study area was split into five sectors to reflect variation in land cover (build-up area vs. natural vegetation), age of build-up structures, and landscape architecture. The investigators subjectively determined these sectors. Within each sector, 10 plots of 100m × 100m (50 in total) were placed semi-randomly, aiming to cover most of the within-sector variation (e.g. plots randomly covering completely build-up area in the most urban sector were complemented with typical park-like plots within the sector). The most urbanised areas of the city were not included in the gradient.

Bibliographic Citations

Contacts

Kaare Hilmar Aagaard
originator
position: Associate professor emeritus
NTNU University Museum
Trondheim
NO
Eli Fremstad
originator
position: Affiliated emeritus
NTNU University Museum
Trondheim
NO
Jan Ove Gjershaug
originator
position: Research Professor emeritus
Norwegian Institute for Nature Research
NO
Tanja Kofod Petersen
metadata author
position: PhD candidate
NTNU University Museum
NO
email: tanja.k.petersen@ntnu.no
userId: http://orcid.org/0000-0002-7599-712X
Marc Daverdin
user
email: marc.daverdin@ntnu.no
Tanja Kofod Petersen
administrative point of contact
position: PhD candidate
NTNU University Museum
Trondheim
NO
email: tanja.k.petersen@ntnu.no
userId: http://orcid.org/0000-0002-7599-712X
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