| Batiquitos Lagoon Foundation |
The website of the Batiquitos Lagoon Foundation which is a non-profit group dedicated to the preservation, protection, and enhancement of Batiquitos Lagoon in Carlsbad, California
http://www.batiquitosfoundation.org
| Frog Decline Reversal Project, Inc. |
We are a frog conservation group in tropical Queensland, Australia which specialises in disease surveillance and the rescue and rehabilitation of diseased and injured amphibians. We have already discovered several new diseases previously unknown to be involved in the decline of amphibians.
http://www.fdrproject.org.au
Swiss Organisation for small enterprises, taking care for all aspects of sustainability
http://www.wiv.ch
Regional environmental group for Rechberghausen and area, Southwest Germany. Main projects: Protection of the regionally important biotops, especially "Streuobstwiesen", some kind of traditionally managed orchards with trees that have high
trunks.
http://www.nabu-oestlicher-schurwald.de
SAVE BARNEGAT BAY is a not-for-profit environmental group working to conserve undeveloped natural land and clean water throughout the Barnegat Bay watershed. We were founded in 1971 as a local chapter of the Izaak Walton League of America, a leading national environmental organization.
http://www.savebarnegatbay.org
A membership-based organisation which promotes rational and informed debate on environmental issues, including climate change, energy policy, agriculture, transport and infrastruct
ure.
http://www.scientific-alliance.org
Homepage contains general information about the natural conditions and nature conservation work in Silma Nature Reserve. The visitors will find informatiion about the hiking possibilities like nature trails and bird towers. At the moment all information is only available in estonian.
http://www.silma.ee
| Gulf of Mexico Foundation |
The Gulf of Mexico Foundation, a nonprofit corporation based in Corpus Christi, Texas, was founded in 1990 by citizens concerned with the health and productivity of the Gulf of Mexico. Representing a wide range of interests (agriculture, business, fisheries, industry, tourism, and the environment), the GMF works to promote and fund research, education, and conservation programs. Its focus encompasses all areas that border the Gulf – Texas, Louisiana, Mississippi, Alabama, Florida, Mexico, Cuba, and the adjacent Caribbean.
http://gulfmex.org
| Groupe de REcherche sur les Cetaces |
Le GREC a pour objectifs: - de favoriser l'acquisition de nouvelles connaissances sur les cétacés sauvages - de diffuser ces connaissances vers la communauté scientifique - de contribuer à l'éducation du public en matière de protection des cétacés dans leur milieu
http://www.cetaces.org
| Jlpe's Number Recreations Page |
Features original number recreations by the author, such as generalized perfect numbers, digital diversions, diophantine equations, didactic numbers, and number theory.
http://www.geocities.com/windmill96/numrecreations.html
Contains instructions on how to fold a flexagon, history of flexagons and printable models of some.
http://www.geocities.com/CapeCanaveral/Hangar/7773/flexagon.
html
| Polyominoes: Theme and Variations |
A brief essay with some references.
http://www.cwi.nl/~jankok/etc/Polyomino.html
Organizes national mathematics competitions in the UK for 12-18 year old students.
http://www.mathcomp.leeds.ac.uk/
| Magic squares with odd rows and colums |
Describes a simple method to create magic squares with an odd number of rows and columns. A workthrough of 3x3 square.
http://www.betnorth.com/magicsquares.htm
Compiled by Suzanne Alejandre for the Math Forum.
http://mathforum.org/sum95/suzanne/links.html
| The Knight's Tour Links Page |
The goal is to travel with a knight around the chess board, landing on each square only once. Features web links of solutions to the game, including a solution" by Dan Thomasson.
http://www.velucchi.it/mathchess/knight.htm
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