Results 101 to 110 of about 35,626 (266)

Pest categorisation of Scaphoideus luteolus

open access: yesEFSA Journal, 2019
The Panel on Plant Health performed a pest categorisation of Scaphoideus luteolus, a well‐defined phloem sap‐feeding insect species in the family Cicadellidae (Insecta: Hemiptera). It can be identified using taxonomic keys. S. luteolus is only present in
EFSA Panel on Plant Health (PLH)   +21 more
doaj   +1 more source

Buffalo National River Ecosystems - Part II [PDF]

open access: yes, 1976
The priorities were established for the Buffalo National River Ecosystem Studies through meetings and correspondence with Mr. Roland Wauer and other personnel of the Office of Natural Sciences, Southwest Region of the National Park Service.
Babcock, R. E.   +6 more
core   +2 more sources

A Palaeoenvironmental Investigation of Two Prehistoric Burnt Mound Sites in Northern Ireland [PDF]

open access: yes, 2017
Funded by Road services Northern Ireland, Jacobs and Headland ArchaeologyPeer ...
Anderson   +134 more
core   +1 more source

Nomenclatural notes on two names of elms published by P. Miller and R.A. Salisbury: Ulmus sativa and U. procera (Ulmaceae)

open access: yesUkrainian Botanical Journal
Typification of the elm species names Ulmus procera Salisb. and U. sativa Mill. is discussed. Both these names are lectotypified on illustrations (which seem to be the only extant original material for each name) published in Gerard’s The Herball, or ...
Iamonico D.
doaj   +1 more source

Stand Dynamics and Disturbance History of Champlain Valley Clayplain Forests [PDF]

open access: yes, 2017
Studies of stand dynamics can explain how species interactions and disturbances drive forest structure and recruitment patterns of tree species. It is difficult to generate an understanding of stand dynamics and successional trends of forests in areas ...
Murray, Helena F
core   +1 more source

Bird Population Changes Following the Establishment of a Diverse Stand of Woody Plants in a Former Crop Field in North Dakota, 1975– 2015 [PDF]

open access: yes, 2018
Changes in the coverage of trees and shrubs on the North Dakota landscape since Euro- American settlement have likely had a pronounced impact on bird species that favor woody vegetation.
Igl, Lawrence D.   +2 more
core   +1 more source

Primer registro de Ulmus ismaelis (Ulmaceae) para Centroamérica First record of Ulmus ismaelis (Ulmaceae) in Central America

open access: yesRevista Mexicana de Biodiversidad, 2005
Se registra por primera vez para Centroamérica Ulmus ismaelis Todzia et Panero (Ulmaceae), se proporciona una detallada redescripción de la especie tal como existe en la región y se comentan aspectos del hábitat y fenología.Ulmus ismaelis Todzia et ...
José L. Linares
doaj  

GRAFTING PHYSIOLOGICAL PARTICULARITIES OF SOME ORNAMENTAL DENDROLOGICAL SPECIES

open access: yesAgricultura, 2022
The research was carried out in the Colina Farms dendrological nursery. A number of 140 ornamental dendrological species were tested by grafting. The selected species were Robinia pseudoacatia 'Umbraculifera', Acer campestre 'Globosum', Acer platanoides '
Ștefania Gâdea   +6 more
doaj  

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