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Draper presentation on dark sky

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Eric Draper

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Draper presentation on dark sky

  1. 1. THE IMPACT OF LIGHT POLLUTION ON WILDLIFE Presentation by, Eric Draper, Executive Director, Audubon of Florida Contact Information: [email_address] 850-222-2473 -office 850-251-1301 -cell
  2. 3. Florida’s Light Pollution Signature Florida’s Wildlife Ecosystems Affected by Light Pollution Conservation Corridor Daytona Beach Orlando Metro Area
  3. 4. Wildlife <ul><li>The length of night at various times of year will determine an animal’s instinctual behavior from breeding and feeding to migration. </li></ul><ul><li>Light pollution can throw disrupt this internal timing and create confusion and disorientation in wildlife. </li></ul>http://www.friendsofsherwoodisland.org/Photos/Hand/BoP/AJH-BarredOwl-talonsclose.jpg Barred Owl Strix varia
  4. 6. Light pollution is trespassing into wildlife habitat Wildlife Concerns From Exposure to Light Pollution Habitat Disturbance Wildlife Behavior Wildlife Survival Wildlife Issue
  5. 7. Birds <ul><ul><ul><li>The darkness of night is a perfect time for many birds to migrate or hunt. These birds are often dependent on darkness to successfully complete migration or to find a meal. When artificial lights intrude on what should be a very dark area, birds can become disoriented. This can cause them to crash into structures or become focused on a distant light source. Artificial light can also disorient migratory birds, throwing them off course. </li></ul></ul></ul>Night Hawk Chordeiles minor Common Night Hawk Chordeiles minor
  6. 8. sunrise sunset Natural night sky light pollution Compare Lighting from Natural and Artificial Sources “ what the critters see ”
  7. 9. NOCTURNAL WILDLIFE owls gray tree frog yellow crowned night heron spotted sea trout bats <ul><li>Active at night, roost by day. </li></ul><ul><li>Some species species are rare, threatened and endangered species. </li></ul><ul><li>Some species provide human and ecological health benefits. </li></ul><ul><li>Some species provide economic benefits </li></ul><ul><li>What are the effects of light pollution on their habitat and behavior? </li></ul>
  8. 10. Wetlands
  9. 11. DIURNAL WILDLIFE frogs songbirds waterfowl dragonfly <ul><li>Active by day, roost at night. NOCTURNAL WILDLIFE </li></ul><ul><li>Some species are rare, protected and endangered species. </li></ul><ul><li>Some species provide human and ecological health benefits. </li></ul><ul><li>Some species provide economic benefits. </li></ul><ul><li>What are the effects of light pollution on their habitat and behavior? </li></ul>squirrels
  10. 12. Loggerhead Sea Turtle Caretta caretta
  11. 13. Endangered Sea turtles in Florida Life cycle consists of birth on land, spending life in ocean, returning to land only to nest <ul><li>LIGHT POLLUTION IMPACTS </li></ul><ul><li>Beach nesting habitats exposed to bright outdoor shoreline lighting </li></ul><ul><li>Adults won’t come ashore to nest </li></ul><ul><li>Hatchlings emerge from sand nests, normally orientate towards starlit ocean </li></ul><ul><li>Artificial lights on beaches, coastal roads, and buildings disorientate hatchlings and adults that crawl away from the beach towards inland light sources. </li></ul><ul><li>Migratory disruptions from light pollution leads to death from dehydration, wildlife, domestic animals and human predation, and vehicle collusions </li></ul>USA’s First Outdoor Lighting Ordinance for Wildlife Conservation
  12. 14. Migratory Birds http://www.flickr.com/photos/danielorn/3556785997/sizes/l/in/photostream/
  13. 15. LP Problems for Urban Habitats Homeowners Backyard Habitat Habitat Guide <ul><li>Light pollution increases domestic animal activity at night; increases domestic animal predation on wildlife </li></ul><ul><li>Birds venture away from nests at night, may abandoned nests; hatchlings fall out. </li></ul><ul><li>Alters behavior of wildlife </li></ul><ul><li>Decreases survival of young wildlife </li></ul><ul><li>Makes habitat less suitable for good wildlife </li></ul><ul><li>Deciduous trees and plants experience delayed winter dormancy that increases susceptibility to stress and diseases on light polluted properties </li></ul><ul><li>People cannot enjoy night landscape and wildlife benefits of their own properties if there are lights trespassing from other properties. </li></ul>
  14. 16. Insects Insects http://farm1.static.flickr.com/138/338920303_87cca266de.jpg
  15. 17. <ul><li>Public Action Precedents in Wildlife Conservation Involving Light Pollution </li></ul><ul><ul><li>SEATURTLES - first identified light pollution indicator organism. Led to nation’s first public outdoor lighting ordinance in Florida for wildlife conservation purposes. </li></ul></ul><ul><ul><li>BIRDS – FLAP (Fatal Light Awareness Program) Highly successful Canadian public program aimed at reducing birds kills from collusions with lighted city buildings. Program identifies numerous bird species at risk from light pollution. Visit www.flap.org </li></ul></ul><ul><ul><li>SW USA ENDANGERED CAT SPECIES - US Border Patrol proposes putting up bright lights along US-Mexico border inhabited by endangered cats. USFWS presses for Environmental Impact Statement (EIS). </li></ul></ul>
  16. 18. <ul><li>Innovative Communities with Light Pollution Control That Benefit Wildlife and Public </li></ul><ul><li>Ocean Reef, Florida - private development in Key Largo, Florida with no street lights. Surrounding mangrove and waterway habitats enhanced. </li></ul><ul><ul><ul><li>Harmony, Florida - In 2009, was recognized by the International Dark Sky Association (IDA) as the world’s first Dark Sky Developments of Distinction. The award is given to communities whose planning actively promotes a more natural night sky. . </li></ul></ul></ul><ul><li>Palm Beach County and Sanibel Island, Florida - public outdoor lighting ordinances for coastal wildlife conservation and tourism. Beach and shore habitats enhanced. </li></ul>
  17. 20. Mammals Earth Hour Toronto
  18. 21. Restore the Nightsky Wildlife Conservation Enhance Wildlife Habitat Through Light Pollution Control

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