ecoduct

English

WOTD – 2 March 2025

Etymology

From eco- (prefix meaning ‘ecology; the environment’) +‎ (via)duct (bridge with several spans that carries traffic over a valley or other obstacles).

Pronunciation

  • (Received Pronunciation) IPA(key): /ˈiːkəʊdʌkt/
  • Audio (Southern England):(file)
  • (General American) IPA(key): /ˈikoʊˌdʌkt/
  • Hyphenation: eco‧duct

Noun

ecoduct (plural ecoducts)

  1. (ecology) A type of wildlife crossing in the form of a bridge or tunnel, usually covered with foliage and turf, which animals may use to cross roads without the risk of being hit by vehicles; a wildlife viaduct. [from late 20th c.]
    Hypernym: wildlife crossing
    Coordinate terms: green bridge, mammal tunnel
    An ecoduct was installed above the road to help wildlife cross safely.
    • 1994, J. P. Knaapen, H. C. van Engen, R. C. van Apeldoorn, P. Schippers, J. Verboom, “Badgers in the Netherlands: Evaluation of Scenarios with Models”, in Job F. Th. Schoute, Peter A. Finke, Frank R. Veeneklaas, Henk P. Wolfert, editors, Scenario Studies for the Rural Environment: Selected and Edited Proceedings of the Symposium Scenario Studies for the Rural Environment, Wageningen, The Netherlands, 12–15 September 1994 (Environment & Policy; 5), Dordrecht, South Holland; Boston, Mass.: Kluwer Academic Publishers, →ISBN, page 552:
      Several measures can be taken to influence the circumstance for the badger in a positive way. Apart from protection and restoration of potential habitats, important measures are: restoration or development of dispersal corridors (woodlots, hedgerows), construction of tunnels or ecoducts for crossing roads, reduction of speed limits, and closure of roads for traffic at night.
    • 1997, G. J. (Hans) Bekker, “Fragmentation and Road-infrastructure in the Netherlands: From History to Future”, in James Randy Williams, John W. Goodrich-Mahoney, Jan R. Wisniewski, Joe Wisniewski, editors, The Sixth International Symposium on Environmental Concerns in Rights-of-way Management, 24–26 February 1997, New Orleans, Louisiana, USA, Kidlington, Oxfordshire; New York, N.Y.: Elsevier Science, →ISBN, part VII (Biodiversity), page 364, column 1:
      [S]pecies preferred a particular type of passage: fox and rabbit used the pipes more than the culverts and roe deer, hare and red squirrel were only observed on the ecoduct; [] It appears that an ecoduct with a variety of habitat-types is better for a broader range of species. Design of an ecoduct is important and so is the context, []
    • 2004, Brian K. Miller, Kenli Schaaf, Robert K. Swihart, Chester L. Arnold, Jr., “Historical and Human Dimensions of Nature-based Planning: Is Time on Our Side?”, in Robert K. Swihart, Jeffrey E. Moore, editors, Conserving Biodiversity in Agricultural Landscapes: Model-based Planning Tools, West Lafayette, Ind.: Purdue University Press, →ISBN, page 231:
      A large budget was reserved for purchasing ground, developing new natural areas, and for making "ecoducts" (wildlife bridges or tunnels) under/over main highways that dissected natural areas.
    • 2025, Nick Thorpe, “On Chicken Mountain”, in Walking Europe’s Last Wilderness: A Journey through the Carpathian Mountains, New Haven, Conn.: Yale University Press, →ISBN, page 322:
      Not far from Brănișca [in Romania], an ecoduct crosses the motorway from the Apuseni mountains to the Retezat. Like bears, wolves have been known to travel enormous distances.

Translations

Further reading

Dutch

Etymology

Compare French écoduc, English ecoduct.

Pronunciation

  • IPA(key): /ˌeː.koːˈdʏkt/
  • Audio:(file)
  • Hyphenation: eco‧duct

Noun

ecoduct n (plural ecoducten, diminutive ecoductje n)

  1. wildlife crossing bridge (bridge-like structure allowing animals to cross roads)
    Synonym: wildwissel
    Hyponym: cerviduct