Phytoplankton abundance measured on water samples from rivers of the Lena Delta in 2009
Phytoplankton abundance measured on water samples from rivers of the Lena Delta in 2009
During the 2009 cruise in the Lena delta a first comprehensive set of phytoplankton samples was collected from several areas of the Lena Delta. The aim was to establish a first checklist of phytoplankton and microzooplankton species in the Delta for form the basis for future assessments and to aid in the selection of sites to be used as fixed annual monitoring sites in future.
Samples were taken by bucket or Niskin bottle. All samples were fixed in weak, neutral Lugol iodine solution (< 1% final concentration). Samples were settled out in standard Utermöhl settlement chambers (Hydrobios). All samples were analyzed using a Zeiss Axiovert 135 inverted microscope.
Fragilaria cf crotonensis, cf Trichocerca spp, Pediastrum duplex var. gracillimum, Suctoria, Aulacoseira granulata, Actinastrum spp, Cyanophyte filaments, Monoraphidium, Synedra spp, Chlorophyte, Selenastrum spp., star shaped, Myrionecta spp., Thalassiosira cf. baltica, Selenastrum spp, Pseudoanabaena spp, Quantitative phytoplankton method Utermöhl, Dinobryon spp., Cosmarium spp, Pediastrum spp, Desmodesmus spp., Aulacoseira granulata var angustissima, Dinoflagellates, Fragilaria cf. crotonensis, Thalassiosira spp., Tabellaria spp, Sample volume, Elakatothrix spp, Pediastrum duplex var gracillimum, Coelastrum spp., Keratella spp, Scenedesmus, Coelastrum spp, Longitude of event, Meridion spp, cell cf Actinastrum, Synedra spp., Tetraedron spp, water, Water sample, Staurastrum spp., Heterocapsa like, Protoperidinium, Dinobryon spp, Staurastrum spp, Date/Time of event, Crysophytes, Cryptophytes, Green algae, Aphanocapsa spp, Stephanodiscus spp., Bosmina spp., Diatoms, Bacteria, Pediastrum boryanum var longicorne, Heterocapsa-like, Scenedesmus cf. acuminatus, Event label, Acanthoceras, cell, Nitzschia, pennales, Elevation of event, Anabaena, Actinastrum spp., Amphidinium cf extensum, Aphanocapsa spp., Quantitative phytoplankton method (Utermöhl, 1958), Chaetoceros spp., indeterminata, Lyngbya spp, Aulacoseira granulata var. angustissima, Scenedesmus cf acuminatus, Crucigenia spp, Ciliates, other, Lyngbya spp., Oocystis spp, Koliella spp, Thalassiosira cf baltica, Amphidinium cf. extensum, Chlorophyte, colonial, Scenesesmus cf. ornatus, Phytoplankton, cell cf. Actinastrum, indeterminata, Fragilaria, Latitude of event, cf. Cyclotella, Asterionella formosa, Meridion spp., Closterium spp, Flagellates, Rotifers, Thalassiosira spp, RU-Land_2009_Lena, Pediastrum spp., Myrionecta spp, Ceratium cf hirundinella, RU Land_2009_Lena, Closterium spp., colonial, undifferentiated, Crucigenia spp., Cyanophyte filaments, undifferentiated, Ebria tripartita, Bosmina spp, Planktothrix spp., Chaetoceros spp, Spondylosium spp, Aulacoseira cells, Rotifers, other, Earth System Research, Spondylosium spp., Pennates aff Cylindrotheca indeterminata, Desmodesmus spp, Tetraedron spp., 1958, Elakatothrix spp., Lagerheimia spp., cf Cyclotella, Tintinnid, Pediastrum boryanum var. longicorne, Ceratium cf. hirundinella, Aphanizomenon spp., Aulacoseira, Pseudoanabaena spp., Chlorophyte indeterminata, Planktothrix spp, Cyanobacteria, Lagerheimia spp, Scenesesmus cf ornatus, Cosmarium spp., Fragilaria spp, Tabellaria spp., Dinoflagellates, other, Bacteria, star-shaped, Pediastrum tetras, Aphanizomenon spp, DEPTH, water, Melosira cf. varians, Ciliates, Comment, AWI Arctic Land Expedition, Date Time of event, other, Pennates aff. Cylindrotheca indeterminata, Fragilaria spp., Pediastrum duplex, cf. Trichocerca spp., Stephanodiscus spp, Koliella spp., Melosira cf varians, DEPTH, Phytoplankton, Pediastrum boryanum, Oocystis spp., Picocyanophytes, Gymnodinium, Keratella spp., Diatoms, pennales, Phytoplankton, cell, other, indeterminata, Cyanophytes
Fragilaria cf crotonensis, cf Trichocerca spp, Pediastrum duplex var. gracillimum, Suctoria, Aulacoseira granulata, Actinastrum spp, Cyanophyte filaments, Monoraphidium, Synedra spp, Chlorophyte, Selenastrum spp., star shaped, Myrionecta spp., Thalassiosira cf. baltica, Selenastrum spp, Pseudoanabaena spp, Quantitative phytoplankton method Utermöhl, Dinobryon spp., Cosmarium spp, Pediastrum spp, Desmodesmus spp., Aulacoseira granulata var angustissima, Dinoflagellates, Fragilaria cf. crotonensis, Thalassiosira spp., Tabellaria spp, Sample volume, Elakatothrix spp, Pediastrum duplex var gracillimum, Coelastrum spp., Keratella spp, Scenedesmus, Coelastrum spp, Longitude of event, Meridion spp, cell cf Actinastrum, Synedra spp., Tetraedron spp, water, Water sample, Staurastrum spp., Heterocapsa like, Protoperidinium, Dinobryon spp, Staurastrum spp, Date/Time of event, Crysophytes, Cryptophytes, Green algae, Aphanocapsa spp, Stephanodiscus spp., Bosmina spp., Diatoms, Bacteria, Pediastrum boryanum var longicorne, Heterocapsa-like, Scenedesmus cf. acuminatus, Event label, Acanthoceras, cell, Nitzschia, pennales, Elevation of event, Anabaena, Actinastrum spp., Amphidinium cf extensum, Aphanocapsa spp., Quantitative phytoplankton method (Utermöhl, 1958), Chaetoceros spp., indeterminata, Lyngbya spp, Aulacoseira granulata var. angustissima, Scenedesmus cf acuminatus, Crucigenia spp, Ciliates, other, Lyngbya spp., Oocystis spp, Koliella spp, Thalassiosira cf baltica, Amphidinium cf. extensum, Chlorophyte, colonial, Scenesesmus cf. ornatus, Phytoplankton, cell cf. Actinastrum, indeterminata, Fragilaria, Latitude of event, cf. Cyclotella, Asterionella formosa, Meridion spp., Closterium spp, Flagellates, Rotifers, Thalassiosira spp, RU-Land_2009_Lena, Pediastrum spp., Myrionecta spp, Ceratium cf hirundinella, RU Land_2009_Lena, Closterium spp., colonial, undifferentiated, Crucigenia spp., Cyanophyte filaments, undifferentiated, Ebria tripartita, Bosmina spp, Planktothrix spp., Chaetoceros spp, Spondylosium spp, Aulacoseira cells, Rotifers, other, Earth System Research, Spondylosium spp., Pennates aff Cylindrotheca indeterminata, Desmodesmus spp, Tetraedron spp., 1958, Elakatothrix spp., Lagerheimia spp., cf Cyclotella, Tintinnid, Pediastrum boryanum var. longicorne, Ceratium cf. hirundinella, Aphanizomenon spp., Aulacoseira, Pseudoanabaena spp., Chlorophyte indeterminata, Planktothrix spp, Cyanobacteria, Lagerheimia spp, Scenesesmus cf ornatus, Cosmarium spp., Fragilaria spp, Tabellaria spp., Dinoflagellates, other, Bacteria, star-shaped, Pediastrum tetras, Aphanizomenon spp, DEPTH, water, Melosira cf. varians, Ciliates, Comment, AWI Arctic Land Expedition, Date Time of event, other, Pennates aff. Cylindrotheca indeterminata, Fragilaria spp., Pediastrum duplex, cf. Trichocerca spp., Stephanodiscus spp, Koliella spp., Melosira cf varians, DEPTH, Phytoplankton, Pediastrum boryanum, Oocystis spp., Picocyanophytes, Gymnodinium, Keratella spp., Diatoms, pennales, Phytoplankton, cell, other, indeterminata, Cyanophytes
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