| 1. | Waters of the lake host rare species, some of them even extinct like Isoetes lacustris.
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| 2. | Researchers have found that during mating " Gammarus lacustris " expresses high levels of serotonin.
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| 3. | Another experiment found that serotonin also reduces the photophobic behavior in " Gammarus lacustris ".
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| 4. | As a small aquatic invertebrate " G . lacustris " is an important food source for many organisms.
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| 5. | Birds, fishes, and some insects have been known to prey upon " G . lacustris ".
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| 6. | Plants that have been used in temperate climates include " Schoenoplectus lacustris " and " Carex acutiformis ".
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| 7. | Almost all the species are marine, with a single freshwater species, " Amarinus lacustris " ( Hymenosomatidae ).
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| 8. | It typically exhibits diel migration of " G . lacustris ", making it more visible and susceptible to predation.
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| 9. | Another plant native to the area of Plum Island is the endangered dwarf lake iris ( " Iris lacustris " ).
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| 10. | It is based on holotype YPM 10624, a tooth close in form to the holotype of " P . lacustris " but somewhat larger.
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