Search Results - "Halldorsson, Gudmundur"

Drivers of Ecological Restoration: Lessons from a Century of Restoration in Iceland by Aradóttir, Ása L., Petursdottir, Thorunn, Halldorsson, Gudmundur, Svavarsdottir, Kristin, Arnalds, Olafur

“…We analyzed the main drivers for ecological restoration in Iceland from 1907 to 2010 and assessed whether the drivers have changed over time and what factors…”
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The effect of the pine woolly aphid (Pineus pini) on survival, growth and natural selection in Scots pine (Pinus sylvestris) in Iceland by Heiðarsson, Lárus, Sigurdsson, Bjarni D., Davíðsson, Benjamín Ö., Hrafnkelsdóttir, Brynja, Sigurgeirsson, Aðalsteinn, Skúlason, Brynjar, D. Vest, María, Halldorsson, Guðmundur

“…Scots pine Pinus sylvestris was originally introduced to Iceland in the beginning of the 20th Century. Extensive plantings started in the late 1940s and, in…”
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Ecological and Social Dimensions of Ecosystem Restoration in the Nordic Countries by Hagen, Dagmar, Svavarsdottir, Kristin, Nilsson, Christer, Tolvanen, Anne K., Raulund-Rasmussen, Karsten, Aradòttir, Àsa L., Fosaa, Anna Maria, Halldorsson, Gudmundur

“…An international overview of the extent and type of ecological restoration can offer new perspectives for understanding, planning, and implementation. The…”
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Colonization of woodland species during restoration: seed or safe site limitation? by Aradottir, Asa L., Halldorsson, Gudmundur

“…A strategy of assisted natural regeneration uses selective restoration interventions to remove potential barriers to passive natural regeneration and…”
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The effect of insect herbivory on seed production of Lupinus nootkatensis, an introduced species in Iceland by Hrafnkelsdottir, Brynja, Sigurdsson, Bjarni D., Oddsdottir, Edda S., Sverrisson, Halldor, Halldorsson, Gudmundur

“…Lupinus nootkatensis is an exotic plant species that has been used for large‐scale sowing all around Iceland for land reclamation of eroded surfaces protected…”
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Successes and Failures in Rangeland Restoration: An Icelandic Case Study by Petursdottir, Thorunn, Aradottir, Asa L., Baker, Susan, Halldorsson, Gudmundur, Sonneveld, Ben

“…Rangeland restoration is a multilayered process aimed at improving land condition, often parallel to utilization. To ensure the long‐term progress that…”
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Winter survival of Ceramica pisi (Lepidoptera: Noctuidae) in Iceland by Hrafnkelsdottir, Brynja, Sigurdsson, Bjarni D., Oddsdottir, Edda S., Sverrisson, Halldor, Halldorsson, Gudmundur

“…The broom moth Ceramica pisi, a native species in Iceland, has shown a marked expansion from south Iceland towards the north, concurrent with increasing…”
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Evaluating the process of ecological restoration by Nilsson, Christer, Aradottir, Asa L., Hagen, Dagmar, Halldórsson, Guðmundur, Høegh, Kenneth, Mitchell, Ruth J., Raulund-Rasmussen, Karsten, Svavarsdóttir, Kristín, Tolvanen, Anne, Wilson, Scott D.

“…We developed a conceptual framework for evaluating the process of ecological restoration and applied it to 10 examples of restoration projects in the northern…”
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Collembola Communities, 20 Years After the Establishment of Distinct Revegetation Treatments in a Severely Eroded Area in South Iceland by Kapinga, Esther, Óskarsson, Hlynur, Halldórsson, Guðmundur, Sturludóttir, Erla, Holmstrup, Martin

“…Several restoration methods have been developed to aid ecosystem development from highly degraded Icelandic deserts into fully vegetated functional ecosystems…”
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Geographical Distribution and Host Range of Entomophthorales Infecting the Green Spruce Aphid Elatobium abietinum Walker in Iceland by Nielsen, Charlotte, Eilenberg, Jørgen, Harding, Susanne, Oddsdottir, Edda, Halldórsson, Gudmundur

“…Entomophthora planchoniana and Neozygites fresenii caused infection in populations of the green spruce aphid, Elatobium abietinum, in Iceland. On this aphid…”
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The effects of insect pathogenic soil fungi and ectomycorrhizal inoculation of birch seedlings on the survival of Otiorhynchus larvae by Oddsdottir, Edda S., Eilenberg, Jørgen, Sen, Robin, Halldorsson, Gudmundur

“…1 Weevil larvae of the genus Otiorhynchus are a serious problem in agriculture and forestry, causing damage to a wide range of plant species, primarily by…”
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Early reduction of Otiorhynchus spp. larval root herbivory on Betula pubescens by beneficial soil fungi by Oddsdottir, Edda S., Eilenberg, Jørgen, Sen, Robin, Harding, Susanne, Halldorsson, Gudmundur

“…We present novel findings highlighting the early effects of inoculation of downy birch ( Betula pubescens Ehrh.) seedlings with factorial combinations of…”
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Apache Accumulo for Developers by Halldorsson, Guomundur Jon

“…The book will have a tutorial-based approach that will show the readers how to start from scratch with building an Accumulo cluster and learning how to monitor…”
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Ectomycorrhizae Reduce Damage to Russian Larch by Otiorhyncus Larvae by Halldórsson, Gudmundur, Sverrisson, Halldór, Eyjólfsdóttir, Gudrídur Gyda, Oddsdóttir, Edda Sigurdís

“…The effect of ectomycorrhizae on damage caused by Otiorhyncus larvae and on plant growth was evaluated in a 3-yr field experiment. Russian larch seedlings,…”
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Apache Accumulo for developers: build and integrate Accumulo clusters with various cloud platforms by Halldórsson, Guðmundur Jón

“…The book will have a tutorial-based approach that will show the readers how to start from scratch with building an Accumulo cluster and learning how to monitor…”
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Evaluating the process of ecological restoration by Nilsson, Christer, Aradottir, Asa L, Hagen, Dagmar, Halldórsson, Guðmundur, Høegh, Kenneth, Mitchell, Ruth J, Raulund-Rasmussen, Karsten, Svavarsdóttir, Kristín, Tolvanen, Anne, Wilson, Scott D

“…We developed a conceptual framework for evaluating the process of ecological restoration and applied it to 10 examples of restoration projects in the northern…”
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Intro by Halldórsson, Guðmundur Jón

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Apache Accumulo for Developers by Halldórsson, Guðmundur Jón

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