نتایج جستجو برای: ulmus

تعداد نتایج: 1143  

Journal: :IEEE transactions on neural networks 2008
L. P. Wang C. R. Wan

This comment letter points out that the essence of the "extreme learning machine (ELM)" recently appeared has been proposed earlier by Broomhead and Lowe and Pao , and discussed by other authors. Hence, it is not necessary to introduce a new name "ELM."

2018
Mariusz Kanturski Yerim Lee Łukasz Depa

The aphid genus Tinocallis Matsumura, 1919 (Hemiptera: Aphididae: Calaphidinae) in central and northern Europe is reviewed; it includes four species. The first records of the Asian elm aphid Tinocallis takachihoensis Higuchi, 1972 are reported from the Czech Republic, Denmark, and Poland. The record in Denmark is the first in Scandinavia. Alate viviparous females and nymphs of T. takachihoensis...

Journal: :Environmental entomology 2010
Jana C Lee Shakeeb M Hamud José F Negrón Jeffrey J Witcosky Steven J Seybold

A seven-state survey showed that the recently detected invasive Asian banded elm bark beetle, Scolytus schevyrewi Semenov, was abundant in areas of Colorado and Wyoming, whereas the long-established European elm bark beetle, S. multistriatus (Marsham), was not as abundant. In one of a series of studies to evaluate whether S. schevyrewi is competitively displacing S. multistriatus in their North...

Journal: :Annals of botany 2004
L Shi Z J Zhang C Y Zhang J Z Zhang

BACKGROUND AND AIMS In the last decade, the number of young plants of Ulmus pumila in the Hunshandak Sandland has decreased sharply because of severe sand burial, and their ecological protective function has been weakened. In order to develop an understanding of the tolerance of U. pumila to sand burial and to suggest reasonable measures to protect the sparse-elm-grassland ecosystem, the effect...

Journal: :Anatolian bryology 2023

Doğu Anadolu Bölgesi ve üniversite kampüs alanlarında ilk kez yapılan bu briyososyolojik çalışmada, Fırat Üniversitesi Merkez Kampüsünde bulunan Ulmus minor ağaçlarının epifitik briyofit vejetasyonu araştırılmıştır. 2021 yılının farklı vejetasyon dönemlerinde, ağaç gövdelerinden alınan örneklik alanların, klasik Braun-Blanquet metodu kullanılarak değerlendirilmesi sonucunda; Orthotrichetum pumi...

Journal: :Biological and Pharmaceutical Bulletin 2004

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