Zobrazeno 1 - 10
of 218
pro vyhledávání: '"G. Helm"'
Publikováno v:
Arthropod-Plant Interactions. 12:671-683
Habitat degradation is one of the greatest threats to biodiversity worldwide and the main contributor to the decline of many carnivorous plant species. For carnivorous plants in the southeastern United States, including many Pinguicula species (butte
Akademický článek
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Akademický článek
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Publikováno v:
Natural Areas Journal. 29:140-145
We studied effects of fertilization and time of cutting on the regeneration of cutleaf teasel (Dipsacus laciniatus L.) at the Mascoutin Recreation Area at Clinton Lake, Dewitt County, Illinois, for two growing seasons. D. laciniatus is an exotic Euro
Autor:
D. G. Helm
Publikováno v:
Geological Journal. 7:271-298
The application of sedimentological and other techniques in a detailed small-scale study of Quaternary meltwater deposits around Pentraeth in Anglesey, North Wales has shown that interpretations based solely on surficial form are incorrect. Previous
Autor:
D. G. Helm, B. Roberts
Publikováno v:
Geological Journal. 19:33-55
The Lleiniog Sand and Gravel Formation, of late Devensian age, has been divided into four Members. The sediments are interpreted as the sequential products of the wasting of a single ice lobe. Member I formed where subglacial streams debouched into a
Autor:
D. G. Helm, B. Roberts
Publikováno v:
Geological Journal. 10:131-146
The sands and gravels form part of a once more continuous succession comprising parts of three delta lobes which advanced into a deepening pro-glacial lake. Normal delta construction was accompanied by sporadic rapid mass movement of coarse sediment.
Publikováno v:
Infection. 35:110-113
We report on a patient who developed seronegative Lyme neuroborreliosis complicating chemotherapy for chronic lymphatic leukemia. After the fifth cycle of chemotherapy (FCR: fludarabine, cyclophosphamide, rituximab and prednisone) the 63-year-old pat
Publikováno v:
Journal of College Counseling. 1:111-120
First- and 3rd-year university students were surveyed regarding cultural attitudes and climate. Comfort in cross-cultural situations and respect for other cultures correlated with overall satisfaction for all students. However, the more Asian America