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Non-indigenous ascidians in southern California harbors and marinas
Abstract Southern California's many large harbors form an important coastal ecosystem, yet they are also a␣major destination for thousands of pleasure craft and cargo vessels that have often traveledExpand
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The Magnitude of Global Marine Species Diversity
BACKGROUND The question of how many marine species exist is important because it provides a metric for how much we do and do not know about life in the oceans. We have compiled the first register ofExpand
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Adventures of a sea squirt sleuth: unraveling the identity of Didemnum vexillum, a global ascidian invader
The magnitude of the worldwide invasions of Didemnum vexillum Kott, 2002 has taken a number of years to be comprehended. During the past 15 years, it has been identified as different speciesExpand
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The colonial ascidian Didemnum sp. A: Current distribution, basic biology and potential threat to marine communities of the northeast and west coasts of North America
Abstract Didemnum sp. A is a colonial ascidian with rapidly expanding populations on the east and west coasts of North America. The origin of Didemum sp. A is unknown. Populations were first observedExpand
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Persistence and differential distribution of nonindigenous ascidians in harbors of the Southern California Bight
The Southern California Bight covers a region of about 300 km of coastline from northern Baja California to Point Conception. The present study includes ascidian species abundance data from 1994 toExpand
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Ecology and natural history of the protochordates
The last comprehensive reviews of ecology and natural history of ascidians were included in the excellent 1971 publication by Millar on the biology of ascidians and the 1991 treatise on New CaledoniaExpand
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Nonindigenous Ascidians in Tropical Waters
Ascidians (invertebrate chordates) are abundant in many ports around the world. Most of them are nonindigenous species that tolerate wide fluctuations in temperature, salinity, and even pollution.Expand
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Invasive sea squirts: A growing global problem
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Genetic conspecificity of the worldwide populations of Didemnum vexillum Kott, 2002.
A colonial tunicate belonging to the genus Didemnum has recently been found in many temperate coastal regions throughout the world, as well as large areas of Georges Bank in the NW Atlantic. ItExpand
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Alien species and other notable records from a rapid assessment survey of marinas on the south coast of England
In September 2004, a rapid assessment survey for non-native species was conducted at 12 harbours along the south coast of England from East Sussex to Cornwall, focusing on communities of algae andExpand
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