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Chemosynthesis & Hydrothermal Vent Communities - …

T1 - Microbial communities and chemosynthesis in Yellowstone Lake sublacustrine hydrothermal vent waters

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The deepest chemosynthesis-based community yet …

The carbohydrates (CH2O) are kept as food and the sulfuric acid (H2SO4) is released.

Examples of Animals and their means of Chemosynthesis
One of the more studied animals of the hydrothermal vent community is the Giant Tube Worm, Riftia pachyptila.

T1 - Stable isotope evidence for chemosynthesis in an abyssal seep community

Chemosynthetic communities are also found in marine settings other than hydrothermal vents. At so-called cold-seeps, where tectonic activity squeezes mineral water out of the ground and around sea bottom petroleum deposits, methane, ammonia, and hydrogen sulfide are released. Bacteria use these compounds to make organic molecules, which support a web of symbionts, carnivores, and scavengers.

From chemosynthesis-based communities to cold …

However, many endemic species form chemosynthesis-based communities around such resources.

Evolutionary ecology and conservation of deep-sea chemosynthesis-based communities.
Hydrothermal deposits and methane hydrate under the deep-sea bottom have recently been focused on as metal and energy resources for the future.

244-260, 2009 (in Japanese).
2) Kojima, Watanabe and Fujikura: Estimation of history of hydrothermal activities based on evolutionary ecology of chemosynthesis-based communities.

kinds geological structures and chemosynthetic communities

(2004) The Sulfur biochemistry of chemosynthetic cold seep communities, Gulf of Mexico, USA, Marine Chemistry, Vol.

First Evidence of Benthic Communities based on Chemosynthesis on the Napoli Mud Volcano (Eastern Mediterranean), Marine Geology, Volume 132, Issue 1-47, pg.

Numerical Modeling of Carbonate crust formation at cold vent sites: Significance for fluid and methane budgets and chemosynthetic biological communities, Earth and Planetary Science Letters.

The Sulfur Biogeochemistry of Chemosynthetic Cold Seep Communities, Gulf of Mexico, USA, Marine Chemistry.
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  • Frontiers | Microbial Communities and Chemosynthesis …

    The Pompeii worms dorsal integument is covered in a diverse community of chemoautotrophic bacteria for chemosynthesis.

  • Chemosynthesis-based communities through time …

    Chemosynthesis communities - …

  • Chemosynthesis and Hydrothermal Vent Life

    Vent communities rely on converting chemicals from the vents into a food source in a process known as chemosynthesis

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Chemosynthesis and Hydrothermal Vent Life Introduction

At the heart of these deep-sea communities is a process called chemosynthesis. Chemosynthesis is the use of energy released by inorganic chemical reactions to produce food. It is analogous to the more familiar process of photosynthesis. In photosynthesis, plants grow in sunlight, capturing solar energy to make organic matter. In chemosynthesis, bacteria grow in mineral-rich water, harnessing chemical energy to make organic material. Chemosynthesis can sustain life in absolute darkness.

Chemosynthesis worksheet - Yumpu

Other scientists are studying chemosynthetic organisms and communities to find clues in the search for extraterrestrial life. They speculate that chemical reactions could also support life on poorly lit, but geologically active planets and moons, such as Europa.

Feeding relationships - BioTopics

Despite their unusual nature, faunas based on chemosynthesis are tied together by food webs similar to those of better-known communities. The hydrothermal vent food web below has four layers:

Ecology is the study of living organisms in their environment

Chemosynthetic bacteria obtain energy from the chemical bonds of hydrogen sulfide. In hydrothermal vent communities, these bacteria are the first step in the food chain. Many of these bacteria exist in symbiotic relationships with species in the vent fauna. They are hosted by vestimentiferan tubeworms, vesicomyd clams, and bathymodiolid mussels. The tubeworms have no gut at all and depended completely on the bacteria living in their tissues. Vent tubeworms range in size from less than an inch to almost 3 ft long. The largest, Riftia pachyptila, lives on the East Pacific Rise.

Hot Springs on the Ocean Floor - sea, effects, …

Other cold seeps and ‘chemosynthetic biological communities’ have been found in the Gulf of Mexico, the Monterey Canyon off the coast of California, US, and off the coast of Alaska, US.

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