Backyard Wildlife Habitat

Short description: American ecological program

Queen butterfly in Florida

The Backyard Wildlife Habitat is a program of the National Wildlife Federation that encourages homeowners in the United States to manage their gardens and yards as a wildlife garden, with the goal of maintaining healthy and diverse animal habitats and ecosystems. The program began in 1973. By 1998, it had impacted more than 21,000 yards and, as of 2006, has certified over 60,000 'backyards'.[1][2][3]

## Contents

* 1 Certification
* 2 Effectiveness and success
* 3 Native plants use
* 4 See also
* 5 References
* 6 External links

## Certification

To be a certified Backyard Wildlife Habitat, a garden or yard, or any outdoor space from a balcony up to a multi-acre tract of land, must offer food, water, shelter, and a place for raising young to beneficial insects or animals. Over time the Federation has introduced variants or expansions of the program for schoolyards and for communities.[4]

In order for a backyard to be certified as a Backyard Wildlife Habitat by the National Wildlife Federation, the space must do all of the following: provide food, water, cover, a place to raise young, and be maintained in a way that has a positive effect on the health of the soil, air, water, and habitat for native wildlife. More specifically, the presence of native forbs, shrubs, and trees is necessary to provide food. Water can be supplied by natural features such as a streams, ponds, or wetlands, or by human-made features such as bird baths. Native vegetation can also provide cover and places for wildlife to raise their young, as can brush piles or dead trees. With all of these features in place, it is crucial that the land be cared for thoughtfully and as naturally as possible. Avoid the use of chemical pesticides and fertilizers, reduce the area that turf grass occupies, utilize mulch obtained from sustainable forestry practices, and minimize water use in order to maintain the integrity of the soil, air, and water in and outside of the habitat.[4]

## Effectiveness and success

Prior to 2004 there was no scientific study as to whether backyard habitats actually help butterflies. A study published in 2004 of the effect on Battus philenor in the San Francisco area found that gardens where the host plants were more than 40 years old, the gardens were as good as natural sites, and where the host plants were less than eight years old the species was unlikely to visit. In between these plant ages, butterflies laid eggs but these had an inferior survival rate.[5]

Although no scientific study has been done that has studied Certified Wildlife Habitats, as defined above, specifically in terms of increased native biodiversity, extensive investigation has been made into the biodiversity benefits of using native plants in suburban and urban native landscapes in general. An article published in Conservation Biology addresses the need to enhance the habitat value of suburban and urban spaces, which have been identified as a primary cause of decline in many threatened or endangered species, and promotes these areas as having potential for social and educational value as well. The author asserts that using a more balanced approach to conservation biology that addresses more densely populated areas, rather than one that focuses mainly on relatively undisturbed areas, can help to mitigate effects of human land use.[6]

## Native plants use

One study that was published in Conservation Biology reported that native plants supported more species of moths and butterflies than introduced plants.[7] Another study, which studied species richness and diversity of small mammals, recommended planting native trees along riparian zone stream corridors in order to promote more diversity of small mammals in suburban and urban parks after finding populations resembling natural conditions in parks managed for passive recreation as compared to those containing manicured habitats surrounded by human-modified landscapes.[8] A second study compared properties landscaped with entirely native plants with those containing a mix of native and non-native plants. Results showed that the native properties supported significantly higher species richness and diversity of caterpillars and birds, as well as greater numbers of breeding pairs and biomass of native species.[9]

## See also

* Landscape ecology
* Natural landscaping
* Sustainable landscaping
* Sustainable gardening
* Restoration ecology
* Habitat Network

## References

1. ↑ Danforth, Peter (2005). "An Evaluation of the National Wildlife Federation's Schoolyard Habitat Program in the Houston Independent School District". Archived from the original on 2007-09-28. https://web.archive.org/web/20070928080613/http://www.peecworks.org/PEEC/PEEC_Research/0032637E-007EA7AB.9/Danforth schoolyard habitat 2005.pdf. Retrieved 2006-05-25.
2. ↑ Joyce, Stephanie (2000). "Why the Grass Isn't Always Greener". Environmental Health Perspectives Volume 106, Number 8, August 1998. Archived from the original on 2007-10-13. https://web.archive.org/web/20071013181443/http://www.ehponline.org/docs/1998/106-8/focus.html. Retrieved 2006-05-25.
3. ↑ National Wildlife Federation (2006). "Get Started! Application for Certification". Backyard Wildlife Habitat. Archived from the original on 2006-06-04. https://web.archive.org/web/20060604101703/https://secure.nwf.org/backyardwildlifehabitat/certify/page1.cfm. Retrieved 2006-05-25.
4. ↑ 4.0 4.1 Lerner, Joel M. (2006-01-07). "Creating a Backyard Haven for Fauna". Washington Post. https://www.washingtonpost.com/wp-dyn/content/article/2006/01/06/AR2006010600767.html?nav=rss_realestate/own. Retrieved 2006-05-25.
5. ↑ Levy, Jacqueline M.; Connor, Edward F. (December 2004). "Are gardens effective in butterfly conservation? A case study with the pipevine swallowtail, Battus philenor". Journal of Insect Conservation 8 (4): 323–330. doi:10.1007/s10841-004-0796-7. Bibcode: 2004JICon...8..323L. https://link.springer.com/article/10.1007/s10841-004-0796-7.
6. ↑ Miller, James R.; Hobbs, Richard J. (April 2002). "Conservation Where People Live and Work". Conservation Biology 16 (2): 330–337. doi:10.1046/j.1523-1739.2002.00420.x. Bibcode: 2002ConBi..16..330M. https://doi.org/10.1046/j.1523-1739.2002.00420.x.
7. ↑ Tallamy, Douglas W.; Shropshire, Kimberley J. (August 2009). "Ranking Lepidopteran Use of Native Versus Introduced Plants". Conservation Biology 23 (4): 941–947. doi:10.1111/j.1523-1739.2009.01202.x. PMID 19627321. Bibcode: 2009ConBi..23..941T. https://conbio.onlinelibrary.wiley.com/doi/10.1111/j.1523-1739.2009.01202.x.
8. ↑ Mahan, Caroyln G.; O'Connell, Timothy (September 2005). "Small mammal use of suburban and urban parks in central Pennsylvania". Northeastern Naturalist 12 (3): 307–314. doi:10.1656/1092-6194(2005)012[0307:SMUOSA2.0.CO;2]. https://www.jstor.org/stable/3858687.
9. ↑ Burghardt, Karin T.; Tallamy, Douglas W.; Shriver, Gregory (February 2009). "Impact of Native Plants on Bird and Butterfly Biodiversity in Suburban Landscapes". Conservation Biology 23 (1): 219–224. doi:10.1111/j.1523-1739.2008.01076.x. PMID 18950471. Bibcode: 2009ConBi..23..219B.

## External links

* National Wildlife Federation Certified Wildlife Habitat
* Habitat Network Related Program

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