A Place Out of Time: Tropical Rainforests - Their Wonders and the Perils They Face. Information on rainforests, biodiversity, and environmental concerns. Tropical Freshwater Fish: Information on tropical freshwater fish including species descriptions, tips on aquarium care, and more. Madagascar: Information on a country rich with culture and biodiversity. Travel Pictures: Pictures of wildlife and landscapes from around the world.
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 Preface
 World Rainforests
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 Forest Floor
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FOR KIDS

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 Why are rainforests important?
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 World Rainforests
 Rainforest Structure
 Rainforest Biodiversity
 Canopy
 Forest Floor
 Rainforest Waters
 Indigenous People
 Deforestation
 Global Importance
 Rainforest Conservation

 Country Reports
 References
 Deforestation Tables
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 Deforestation in Brazil
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FOR KIDS

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 In the rainforest

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TROPICAL FISH

 Preface
 Introduction
 Fish Anatomy
 Water Chemistry
 The Aquarium
 Plant Care
 Plant Species
 Food
 Disease
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 Breeding
 Bibliography
 Links

 Biotope Aquaria
 Species by Ecosystem
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 Fish Species | Families
 Catfish
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 Forest Floor
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 Indigenous People
 Deforestation
 Global Importance
 Rainforest Conservation

 Country Reports
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TROPICAL FISH

 Preface
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 The Aquarium
 Plant Care
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 Breeding
 Bibliography
 Links

 Biotope Aquaria
 Species by Ecosystem
 Species by Country
 Fish Species | Families
 Catfish
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 Preface
 World Rainforests
 Rainforest Structure
 Rainforest Biodiversity
 Canopy
 Forest Floor
 Rainforest Waters
 Indigenous People
 Deforestation
 Global Importance
 Rainforest Conservation

 Country Reports
 References
 Deforestation Tables
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 Deforestation in Brazil
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FOR KIDS

 About rainforests
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TROPICAL FISH

 Preface
 Introduction
 Fish Anatomy
 Water Chemistry
 The Aquarium
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 Breeding
 Bibliography
 Links

 Biotope Aquaria
 Species by Ecosystem
 Species by Country
 Fish Species | Families
 Catfish
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 Cichlids
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A Place Out of Time: Tropical Rainforests - Their Wonders and the Perils They Face. Information on rainforests, biodiversity, and environmental concerns. Tropical Freshwater Fish: Information on tropical freshwater fish including species descriptions, tips on aquarium care, and more. Madagascar: Information on a country rich with culture and biodiversity. Travel Pictures: Pictures of wildlife and landscapes from around the world.
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 Preface
 World Rainforests
 Rainforest Structure
 Rainforest Biodiversity
 Canopy
 Forest Floor
 Rainforest Waters
 Indigenous People
 Deforestation
 Global Importance
 Rainforest Conservation

 Country Reports
 References
 Deforestation Tables
 The Amazon Rainforest
 The Congo Rainforest
 Deforestation in Brazil
 Rainforest Images
 Rainforest Books
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FOR KIDS

 About rainforests
 Rainforest animals
 Rainforest people
 In the rainforest

 Why are rainforests important?
 Why are rainforests disappearing?
 How can we save rainforests?
 Teaching resources


TROPICAL FISH

 Preface
 Introduction
 Fish Anatomy
 Water Chemistry
 The Aquarium
 Plant Care
 Plant Species
 Food
 Disease
 Non-fish Species
 Breeding
 Bibliography
 Links

 Biotope Aquaria
 Species by Ecosystem
 Species by Country
 Fish Species | Families
 Catfish
 Characins
 Cichlids
 Cyprinds
 Killifish
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 Rainbowfish
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A Place Out of Time: Tropical Rainforests - Their Wonders and the Perils They Face. Information on rainforests, biodiversity, and environmental concerns. Tropical Freshwater Fish: Information on tropical freshwater fish including species descriptions, tips on aquarium care, and more. Madagascar: Information on a country rich with culture and biodiversity. Travel Pictures: Pictures of wildlife and landscapes from around the world.
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 Preface
 World Rainforests
 Rainforest Structure
 Rainforest Biodiversity
 Canopy
 Forest Floor
 Rainforest Waters
 Indigenous People
 Deforestation
 Global Importance
 Rainforest Conservation

 Country Reports
 References
 Deforestation Tables
 The Amazon Rainforest
 The Congo Rainforest
 Deforestation in Brazil
 Rainforest Images
 Rainforest Books
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 About rainforests
 Rainforest animals
 Rainforest people
 In the rainforest

 Why are rainforests important?
 Why are rainforests disappearing?
 How can we save rainforests?
 Teaching resources


TROPICAL FISH

 Preface
 Introduction
 Fish Anatomy
 Water Chemistry
 The Aquarium
 Plant Care
 Plant Species
 Food
 Disease
 Non-fish Species
 Breeding
 Bibliography
 Links

 Biotope Aquaria
 Species by Ecosystem
 Species by Country
 Fish Species | Families
 Catfish
 Characins
 Cichlids
 Cyprinds
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As forests are set aside as reserves, usually in the regions of the highest diversity, the question of reserve size comes into play. Obviously as much land as possible should be protected to some degree, but whether to keep a single large reservoir or several small reserves has been a controversial issue in conservation biology over the past two decades. Bitter fighting between the two camps in the SLOSS debate (single large or several small) has resulted in squandered time, money, resources, and credibility, and has divided groups that should be united in saving the planet's environment. A single large reserve is advantageous because it possesses larger populations of each species and a more stable environment. On the other hand, a single large reserve is subject to devastation by a single catastrophic event like a fire, flood, or disease. Breaking the reserve into separate pieces reduces the risk of complete population loss by a single event, but diminishes the size of the species populations and puts them at a higher risk of extinction. In addition, if the reserve is too small it may experience system decay resulting in the loss of many species. Small reserves are particularly affected by the invasion of alien species. Studies have shown that domestic mammals will venture up to three miles (5 km) into the rainforest, not only introducing disease and alien plant seeds, but also eating eggs, destroying nests, and crushing seedlings. Finally many species require a certain threshold-population size or range to persist.

Species—Area Math

Large reserves protect a larger area, including varied habitats, like eco-tones, forest edges, interior clearings, swamps, and ridges, which mean more niches, and hence greater diversity. It is important to preserve such zones, which both provide for and produce biodiversity.

Are Forest Fragments Worth Saving?

Several studies have demonstrated the effects from a reduction in reserve size, including two famous projects in Latin America: Barro Colorado Island, Panama, and Lovejoy's experiment in the Brazilian Amazon (discussed in chapter 3).

Barro Colorado Island was once a forested hilltop amid a rich tropical rainforest. When the Panama Canal was constructed, the Chagres river was dammed and the valley was flooded, leaving the hilltop an island of six square miles of forest. Barro Colorado Island was declared a biological reserve in 1923 and since has been the center of intensive research (since 1946 the island has been a research site run by the Smithsonian Institution). Over the last seven decades, researchers have recorded profound changes in the animal population. Large predators like the jaguar, puma, and harpy eagle were the first to go. Without large predators, mammals like pacas, agoutis, peccaries, and coatimundis populations skyrocketed to levels 2-10 times their normal concentration. However, by 1970, 45 birds species had disappeared due to the increased omnivore population, the loss of niches like meadows and forest edges, and the loss of area. Today toll has climbed to 65 bird species lost since the island's formation. Similar results have been recorded on islands created by hydroelectric projects in Thailand (Chiew Larn Hydroelectric Reservoir) and Venezuela (reservoir created by the Guri dam).

To avoid further conflicts and help mitigate the problems with reserve size, some biologists have suggested a compromise solution, which is to create a series of small reserves connected by corridors of forest. This set-up would allow migration between the sections, but help protect against a mass die-off caused by a single event. Corridors are especially important should global warming occur, since species must be able to migrate as the climate changes. But more research is required to find the optimal reserve size and layout for sustaining the most biodiversity.

VALUATION

New ways to measure the value of ecosystems

Millennium Ecosystem Assessment (United Nations)
In March 2004, the Millennium Ecosystem Assessment (MEA) was published by the United Nations, consisting of the first global survey of ecological services. The assessment involves more than 1,400 experts in various scientific fields from 95 countries around the world. What makes the report different from other global audits is the MEA’s focus not on surveying biological diversity within any given region, but rather on the general stability of the services provided by world ecosystems. Up until recently, the exchange of natural habitat for cultivated land had been largely beneficial to humans. But things are beginning to change and about two-thirds of the ecosystems reviewed by the MEA are being degraded or used unsustainably.

Total Wealth (World Bank)
In 2005 the World Bank developed a new metric for measuring the wealth of a country—one that accounts for the actual value of natural resources, including resource depletion and population growth. Topping the list are eight European countries, the United States, and Japan, while the bottom of the list is dominated by sub-Saharan African nations.

Other articles of note:
  • Insects worth $57 billion to US economy April 1, 2006
  • Carbon in Canada's boreal forest worth $3.7 trillion. Ecosystem services estimated at $93 billion per year November 25, 2005
  • Rainforests worth $1.1 trillion for carbon alone in "Coalition" nations November 29, 2005
  • Until just recently, governments and industry have failed to recognize that tropical rainforests are worth much more than the attractive hardwood timber they contain. They failed to take account of the intricate role rainforests play in hydrological, biological, geochemical, and climatological functioning on Earth. Because all the benefits provided by forests cannot be directly measured and captured, the market under-provides for, hence undervalues, rainforests. True economic analysis should take these indirect values and this economic distortion into account.

    The Problem with GDP as a Measure of Economic Health

    Companies that destroy the rainforest should be required to make bioeconomic and cost-benefit analysis a mandatory part of their land-survey routine. Genuine bioeconomic analysis will survey all relevant opportunity costs and determine the presence of species with value as pharmaceutical, food, and other products useful to humankind. In addition, bioeconomic analysis can predict the potential for eco-tourism and ideally, make some assessment for the services (like climate stabilization, recreation value, soil protection, and clean water) a forest area provides. By accounting for these benefits it will help guard against the uninformed destruction of species. Globally, ecosystems and the services they provide are estimated to be worth $33 trillion. The biodiversity of tropical rainforests can provide material benefits beyond simple value as forest products. For example, in the late 1970s, Malaysia imported weevils from Cameroon to pollinate oil-palm plantations, in 1981 saving $120 million in labor costs from hand pollination. Finding this cost-saving species was straightforward: weevils are the natural pollinators of oil palm, which originated in the rainforests of Cameroon. Once a bioeconomic analysis is complete, the decision can be made on how to best use the forests; whether to protect them using their sustainable yield or to destroy them for immediate return and accept the long-term effects.

    404 Error: Page Not Found

    A Place Out of Time: Tropical Rainforests - Their Wonders and the Perils They Face. Information on rainforests, biodiversity, and environmental concerns. Tropical Freshwater Fish: Information on tropical freshwater fish including species descriptions, tips on aquarium care, and more. Madagascar: Information on a country rich with culture and biodiversity. Travel Pictures: Pictures of wildlife and landscapes from around the world.
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    RAINFOREST INFORMATION

     Preface
     World Rainforests
     Rainforest Structure
     Rainforest Biodiversity
     Canopy
     Forest Floor
     Rainforest Waters
     Indigenous People
     Deforestation
     Global Importance
     Rainforest Conservation

     Country Reports
     References
     Deforestation Tables
     The Amazon Rainforest
     The Congo Rainforest
     Deforestation in Brazil
     Rainforest Images
     Rainforest Books
     Links
     Site Map
     Other languages


    FOR KIDS

     About rainforests
     Rainforest animals
     Rainforest people
     In the rainforest

     Why are rainforests important?
     Why are rainforests disappearing?
     How can we save rainforests?
     Teaching resources


    TROPICAL FISH

     Preface
     Introduction
     Fish Anatomy
     Water Chemistry
     The Aquarium
     Plant Care
     Plant Species
     Food
     Disease
     Non-fish Species
     Breeding
     Bibliography
     Links

     Biotope Aquaria
     Species by Ecosystem
     Species by Country
     Fish Species | Families
     Catfish
     Characins
     Cichlids
     Cyprinds
     Killifish
     Labyrinth Fish
     Livebearers
     Loaches
     Others
     Perches
     Rainbowfish
    DATA

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    MONGABAY.COM
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    SUPPORT
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    Copyright Rhett A. Butler / mongabay.com 2006
    All rights reserved.

    Some environmentalists say that putting a dollar value on the resource is not the proper way to approach conservation, since (they will argue) ecosystems have intrinsic and aesthetic values that transcend economic value. They worry that saying a square kilometer of Malaysian mangrove forest has a value of $300,000 in flood control alone will justify developers offering $310,000 for the land and turning it into a shopping complex. However, it is clear that money is a prime consideration in today's global economy, and putting monetary value on an ecosystem, even if it is undervalued, provides strong evidence to local communities about the value of protecting biodiversity and the ecosystem.

    Economic Values

    Even cost-benefit analysis often underestimates the value of the species and ecosystem by failing to factor in the unknown benefits. Bioeconomic analysis may be able to valuate rainforest lands by eco-tourism potential, known, and even some unknown products, but it can hardly account for the services that the rainforest ecosystem performs or the value of unknown biodiversity. How much is a stable climate worth? What would a country pay for clean water or navigable waterways? At what cost should global warming and polar ice melt be avoided? How about functioning hydroelectric projects, working fisheries, and avoiding cycles of flood and drought? These are some items on a long list of services which rainforests provide humanity.

    Dismantling rainforests for timber and pasture land is not maximizing their potential yield: it is like smashing an ancient Roman vase to reach the nickel that fell inside. Razing rainforests for just these simple commodities is a colossal waste of their resources.

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    A Place Out of Time: Tropical Rainforests - Their Wonders and the Perils They Face. Information on rainforests, biodiversity, and environmental concerns. Tropical Freshwater Fish: Information on tropical freshwater fish including species descriptions, tips on aquarium care, and more. Madagascar: Information on a country rich with culture and biodiversity. Travel Pictures: Pictures of wildlife and landscapes from around the world.
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    RAINFOREST INFORMATION

     Preface
     World Rainforests
     Rainforest Structure
     Rainforest Biodiversity
     Canopy
     Forest Floor
     Rainforest Waters
     Indigenous People
     Deforestation
     Global Importance
     Rainforest Conservation

     Country Reports
     References
     Deforestation Tables
     The Amazon Rainforest
     The Congo Rainforest
     Deforestation in Brazil
     Rainforest Images
     Rainforest Books
     Links
     Site Map
     Other languages


    FOR KIDS

     About rainforests
     Rainforest animals
     Rainforest people
     In the rainforest

     Why are rainforests important?
     Why are rainforests disappearing?
     How can we save rainforests?
     Teaching resources


    TROPICAL FISH

     Preface
     Introduction
     Fish Anatomy
     Water Chemistry
     The Aquarium
     Plant Care
     Plant Species
     Food
     Disease
     Non-fish Species
     Breeding
     Bibliography
     Links

     Biotope Aquaria
     Species by Ecosystem
     Species by Country
     Fish Species | Families
     Catfish
     Characins
     Cichlids
     Cyprinds
     Killifish
     Labyrinth Fish
     Livebearers
     Loaches
     Others
     Perches
     Rainbowfish
    DATA

    Data aggregations found on mongabay.com



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    MONGABAY.COM
    Mongabay.com seeks to raise interest in and appreciation of wildlands and wildlife, while examining the impact of emerging local and global trends in technology, economics, and finance on conservation and development >>


    CONTENTS
    Rainforests
    Tropical Fish
    Madagascar
    Pictures
    Kids' Site
    News
    About
    Contact
    Submissions
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    Interview
    Copyright


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    Copyright Rhett A. Butler / mongabay.com 2006
    All rights reserved.


    Review questions:
    • How does reserve size or area impact levels of biodiversity?
    • Why is economic anaylsis of ecosystems important?

    [print version]


    Continued: Funding and Organizaion for Rainforest Conservation 404 Error: Page Not Found
    A Place Out of Time: Tropical Rainforests - Their Wonders and the Perils They Face. Information on rainforests, biodiversity, and environmental concerns. Tropical Freshwater Fish: Information on tropical freshwater fish including species descriptions, tips on aquarium care, and more. Madagascar: Information on a country rich with culture and biodiversity. Travel Pictures: Pictures of wildlife and landscapes from around the world.
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    RAINFOREST INFORMATION

     Preface
     World Rainforests
     Rainforest Structure
     Rainforest Biodiversity
     Canopy
     Forest Floor
     Rainforest Waters
     Indigenous People
     Deforestation
     Global Importance
     Rainforest Conservation

     Country Reports
     References
     Deforestation Tables
     The Amazon Rainforest
     The Congo Rainforest
     Deforestation in Brazil
     Rainforest Images
     Rainforest Books
     Links
     Site Map
     Other languages


    FOR KIDS

     About rainforests
     Rainforest animals
     Rainforest people
     In the rainforest

     Why are rainforests important?
     Why are rainforests disappearing?
     How can we save rainforests?
     Teaching resources


    TROPICAL FISH

     Preface
     Introduction
     Fish Anatomy
     Water Chemistry
     The Aquarium
     Plant Care
     Plant Species
     Food
     Disease
     Non-fish Species
     Breeding
     Bibliography
     Links

     Biotope Aquaria
     Species by Ecosystem
     Species by Country
     Fish Species | Families
     Catfish
     Characins
     Cichlids
     Cyprinds
     Killifish
     Labyrinth Fish
     Livebearers
     Loaches
     Others
     Perches
     Rainbowfish
    DATA

    Data aggregations found on mongabay.com



    XML / RSS / Syndication options

    There are three XML feeds for mongabay.com



    MONGABAY.COM
    Mongabay.com seeks to raise interest in and appreciation of wildlands and wildlife, while examining the impact of emerging local and global trends in technology, economics, and finance on conservation and development >>


    CONTENTS
    Rainforests
    Tropical Fish
    Madagascar
    Pictures
    Kids' Site
    News
    About
    Contact
    Submissions
    Contribute
    Interview
    Copyright


    SUPPORT
    You can help support mongabay.com by becoming a contributor to keep this site up and running. Thank you for your continued interest in the site.


    Help support mongabay.com! Use the link below to buy from Amazon.com!

    In Association with Amazon.com


    SEARCH


    LINKS
    Rainforest Portal
    Forests.org
    FAO Forestry



    Copyright Rhett A. Butler / mongabay.com 2006
    All rights reserved.

    404 Error: Page Not Found
    A Place Out of Time: Tropical Rainforests - Their Wonders and the Perils They Face. Information on rainforests, biodiversity, and environmental concerns. Tropical Freshwater Fish: Information on tropical freshwater fish including species descriptions, tips on aquarium care, and more. Madagascar: Information on a country rich with culture and biodiversity. Travel Pictures: Pictures of wildlife and landscapes from around the world.
    Syndicate / XML feed / RSS


    APOLOGIES, BUT THIS PAGE IS NO LONGER AVAILABLE

    Google
      Web
    mongabay.com
    fish.mongabay.com
    rainforests.mongabay.com
    news.mongabay.com
    travel.mongabay.com

    RAINFOREST INFORMATION

     Preface
     World Rainforests
     Rainforest Structure
     Rainforest Biodiversity
     Canopy
     Forest Floor
     Rainforest Waters
     Indigenous People
     Deforestation
     Global Importance
     Rainforest Conservation

     Country Reports
     References
     Deforestation Tables
     The Amazon Rainforest
     The Congo Rainforest
     Deforestation in Brazil
     Rainforest Images
     Rainforest Books
     Links
     Site Map
     Other languages


    FOR KIDS

     About rainforests
     Rainforest animals
     Rainforest people
     In the rainforest

     Why are rainforests important?
     Why are rainforests disappearing?
     How can we save rainforests?
     Teaching resources


    TROPICAL FISH

     Preface
     Introduction
     Fish Anatomy
     Water Chemistry
     The Aquarium
     Plant Care
     Plant Species
     Food
     Disease
     Non-fish Species
     Breeding
     Bibliography
     Links

     Biotope Aquaria
     Species by Ecosystem
     Species by Country
     Fish Species | Families
     Catfish
     Characins
     Cichlids
     Cyprinds
     Killifish
     Labyrinth Fish
     Livebearers
     Loaches
     Others
     Perches
     Rainbowfish
    DATA

    Data aggregations found on mongabay.com



    XML / RSS / Syndication options

    There are three XML feeds for mongabay.com



    MONGABAY.COM
    Mongabay.com seeks to raise interest in and appreciation of wildlands and wildlife, while examining the impact of emerging local and global trends in technology, economics, and finance on conservation and development >>


    CONTENTS
    Rainforests
    Tropical Fish
    Madagascar
    Pictures
    Kids' Site
    News
    About
    Contact
    Submissions
    Contribute
    Interview
    Copyright


    SUPPORT
    You can help support mongabay.com by becoming a contributor to keep this site up and running. Thank you for your continued interest in the site.


    Help support mongabay.com! Use the link below to buy from Amazon.com!

    In Association with Amazon.com


    SEARCH


    LINKS
    Rainforest Portal
    Forests.org
    FAO Forestry



    Copyright Rhett A. Butler / mongabay.com 2006
    All rights reserved.

    404 Error: Page Not Found
    A Place Out of Time: Tropical Rainforests - Their Wonders and the Perils They Face. Information on rainforests, biodiversity, and environmental concerns. Tropical Freshwater Fish: Information on tropical freshwater fish including species descriptions, tips on aquarium care, and more. Madagascar: Information on a country rich with culture and biodiversity. Travel Pictures: Pictures of wildlife and landscapes from around the world.
    Syndicate / XML feed / RSS


    APOLOGIES, BUT THIS PAGE IS NO LONGER AVAILABLE

    Google
      Web
    mongabay.com
    fish.mongabay.com
    rainforests.mongabay.com
    news.mongabay.com
    travel.mongabay.com

    RAINFOREST INFORMATION

     Preface
     World Rainforests
     Rainforest Structure
     Rainforest Biodiversity
     Canopy
     Forest Floor
     Rainforest Waters
     Indigenous People
     Deforestation
     Global Importance
     Rainforest Conservation

     Country Reports
     References
     Deforestation Tables
     The Amazon Rainforest
     The Congo Rainforest
     Deforestation in Brazil
     Rainforest Images
     Rainforest Books
     Links
     Site Map
     Other languages


    FOR KIDS

     About rainforests
     Rainforest animals
     Rainforest people
     In the rainforest

     Why are rainforests important?
     Why are rainforests disappearing?
     How can we save rainforests?
     Teaching resources


    TROPICAL FISH

     Preface
     Introduction
     Fish Anatomy
     Water Chemistry
     The Aquarium
     Plant Care
     Plant Species
     Food
     Disease
     Non-fish Species
     Breeding
     Bibliography
     Links

     Biotope Aquaria
     Species by Ecosystem
     Species by Country
     Fish Species | Families
     Catfish
     Characins
     Cichlids
     Cyprinds
     Killifish
     Labyrinth Fish
     Livebearers
     Loaches
     Others
     Perches
     Rainbowfish
    DATA

    Data aggregations found on mongabay.com



    XML / RSS / Syndication options

    There are three XML feeds for mongabay.com



    MONGABAY.COM
    Mongabay.com seeks to raise interest in and appreciation of wildlands and wildlife, while examining the impact of emerging local and global trends in technology, economics, and finance on conservation and development >>


    CONTENTS
    Rainforests
    Tropical Fish
    Madagascar
    Pictures
    Kids' Site
    News
    About
    Contact
    Submissions
    Contribute
    Interview
    Copyright


    SUPPORT
    You can help support mongabay.com by becoming a contributor to keep this site up and running. Thank you for your continued interest in the site.


    Help support mongabay.com! Use the link below to buy from Amazon.com!

    In Association with Amazon.com


    SEARCH


    LINKS
    Rainforest Portal
    Forests.org
    FAO Forestry



    Copyright Rhett A. Butler / mongabay.com 2006
    All rights reserved.