Search Results - "Gíslason, Gísli Már"

Seasonal variation in the Chironomidae (Diptera) communities of two Faroese streams by Leivur Janus Hansen, Agnes-Katharina Kreiling, Gísli Már Gíslason

“…Seasonal variation of freshwater invertebrate communities is strongly influenced by abiotic factors including temperature and precipitation which, in turn, are…”
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Dispersal rate of Potamophylax cingulatus and Micropterna sequax (Trichoptera) in Iceland by Gíslason, Gísli Már, Ólafsson, Erling, Alfredsson, Matthías S.

“…During the 20 th and 21 st century, two species of Trichoptera have colonised Iceland. One species is Potamophylax cingulatus and the other is Micropterna…”
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Longevities of Adult Chironomidae (Diptera) from Two Streams in Iceland by Corrie Nyquist, Gísli Már Gíslason, Bruce Vondracek, Leonard Charles Ferrington

“…Mean annual air temperatures are predicted to increase by several degrees in the Arctic. This increase in temperature will likely impact organisms adapted to…”
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Life cycles of Eukiefferiella claripennis (Lundbeck 1898) and Eukiefferiella minor (Edwards 1929) (Diptera: Chironomidae) in spring-fed streams of different temperatures with reference to climate change by Hannesdottir, E R, Gislason, G M, Olafsson, J S

“…The effect of temperature on the life cycles of two chironomid species, Eukiefferiella claripennis and Eukiefferiella minor, was studied by comparing…”
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Integrating ecosystem services into conservation strategies for freshwater and marine habitats: a review by Boulton, Andrew J., Ekebom, Jan, Gíslason, Gísli már

“…Over the last two decades, there has been increasing public and political recognition of society's dependency upon natural habitat complexity and ecological…”
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Is it possible to reach a consensus on the utilization of catchments and geothermal areas for energy production? by Gislason, Gísli Már

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The ecology of Lake Myvatn and the River Laxá: Variation in space and time by Einarsson, Árni, Stefánsdóttir, Gerdur, Jóhannesson, Helgi, Ólafsson, Jón S., Már Gíslason, Gísli, Wakana, Isamu, Gudbergsson, Gudni, Gardarsson, Arnthor

“…Ecological features of Lake Myvatn and the outflowing River Laxá show a wide range of spatial and temporal variations. The physical division of the lake into…”
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Glacier shrinkage driving global changes in downstream systems by Milner, Alexander M., Khamis, Kieran, Battin, Tom J., Brittain, John E., Barrand, Nicholas E., Füreder, Leopold, Cauvy-Fraunié, Sophie, Gíslason, Gísli Már, Jacobsen, Dean, Hannah, David M., Hodson, Andrew J., Hood, Eran, Lencioni, Valeria, Ólafsson, Jón S., Robinson, Christopher T., Tranter, Martyn, Brown, Lee E.

“…Glaciers cover ∼10% of the Earth’s land surface, but they are shrinking rapidly across most parts of the world, leading to cascading impacts on downstream…”
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Life cycles of Eukiefferiella claripennis (Lundbeck 1898) and Eukiefferiella minor (Edwards 1929) (Diptera: Chironomidae) in spring-fed streams of different temperatures with reference to climate change by Elisabet Ragna Hannesdóttir, Gísli Már Gíslason, Jón S. Ólafsson

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Population fluctuations of chironomid and simuliid Diptera at Myvatn in 1977–1996 by Gardarsson, Arnthor, Einarsson, Árni, Gíslason, Gísli Már, Hrafnsdóttir, Thóora, R. Ingvason, Haraldur, Jónsson, Erlendur, Ólafsson, Jón S.

“…Aquatic dipterans dominate the macrozoobenthos of Lake Myvatn and the River Laxá and are important in the food web. As benthic sampling is time-consuming and…”
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Seasonal and spatial variation in the diet of brown trout (Salmo trutta L.) in the subarctic River Laxá, north-east Iceland by Gislason, G M, Steingrimsson, SO

“…This study examines seasonal and spatial patterns in the diet composition, stomach fullness and condition of a landlocked population of brown trout (2.5-61.3…”
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Freshwater Crustacea (Cladocera, Copepoda) of Iceland: taxonomy, ecology, and biogeography by Novichkova, Anna, Chertoprud, Elena, Gíslason, Gísli Mar

“…Of the many types of freshwater bodies across Iceland (e.g., lakes, springs, rivers, and ponds), greater effort has been invested in researching the freshwater…”
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Relationships between structure and function in streams contrasting in temperature by FRIBERG, NIKOLAI, DYBKJÆR, JOHN B, OLAFSSON, JON S, GISLASON, GISLI MAR, LARSEN, SØREN E, LAURIDSEN, TORBEN L

“…1. We studied 10 first-order Icelandic streams differing in geothermal influence in separate catchments. Summer temperature (August-September) ranged between 6…”
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Consumer-Resource Interactions and Cyclic Population Dynamics of Tanytarsus gracilentus (Diptera: Chironomidae) by Einarsson, Árni, Gardarsson, Arnthor, Gíslason, Gísli Már, Ives, Anthony R.

“…1. Tanytarsus gracilentus population dynamics in Lake Myvatn show a tendency to cycle, with three oscillations occurring between 1977 and 1999 having periods…”
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Populations of ducks and trout of the River Laxá, Iceland, in relation to variation in food resources by EINARSSON, Arni, GARDARSSON, Arnthor, GISLASON, Gisli Mar, GUDBERGSSON, Gudni

“…We examined annual variation in production, recruitment and density of the three most abundant vertebrate species of the River Laxá at Lake Mývatn, Iceland:…”
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Phylogeographic origin of Apatania zonella (Trichoptera) in Iceland by Pálsson, Snæbjörn, Lecaudey, Laurene A., Gíslason, Gísli Már

“…The purpose of our study was to analyze the origin of the Icelandic population of the Holarctic caddisfly Apatania zonella, a species with a highly skewed sex…”
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Effects of temperature regime on primary producers in Icelandic geothermal streams by Gudmundsdottir, Rakel, Gislason, Gisli Mar, Palsson, Snaebjorn, Olafsson, Jon S., Schomacker, Anders, Friberg, Nikolai, Woodward, Guy, Hannesdottir, Elisabet R., Moss, Brian

“…► We examined the primary producer assemblages in eight streams. ► How does climate warming affects primary producers at high latitude streams? ► Temperature…”
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Freshwater Crustacea (Cladocera, Copepoda) of Iceland: taxonomy, ecology, and biogeography by NOVICHKOVA, Anna, CHERTOPRUD, Elena, GISLASON, Gísli Mar

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Diatoms as indicators: The influences of experimental nitrogen enrichment on diatom assemblages in sub-Arctic streams by Gudmundsdottir, Rakel, Palsson, Snaebjorn, Hannesdottir, Elisabet Ragna, Olafsson, Jon S., Gislason, Gisli Mar, Moss, Brian

“…Indices using diatoms are widely used to assess water quality, but are usually constructed from field correlations and not tested through rigorous…”
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Oviposition Sites of the Saltmarsh Mosquito, Aedes vigilax (Skuse) (Diptera: Culicidae), at Homebush Bay, Sydney, NSW—A Preliminary Investigation by GISLASON, GISLI MAR, RUSSELL, RICHARD C.

“…ABSTRACT Eggs of the saltmarsh mosquito, Aedes vigilax (Skuse), were collected in two saline wetlands at Homebush Bay in Sydney in February and March 1994 as…”
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