Results 101 to 110 of about 4,206 (197)

Aquatic Invasive Plant Surveys in the BLM Medford District During 2012 [PDF]

open access: yes, 2013
Aquatic plant surveys were conducted at 22 waterbodies located within the Bureau of Land Management’s Medford District during the summer of 2012. Sites included eleven lakes, ponds or reservoirs and six reaches along the Rogue and Applegate Rivers.
Miller, Rich   +2 more
core   +1 more source

NEW DATA ADDITION TO THE ROMANIAN [PDF]

open access: yes, 2012
A number of seven plant taxa are presented in this paper, some of them being now for the first time reported in Romania (e. g. Cenchrus longispinus, Panicum miliaceum subsp. ruderale; Panicum miliaceum subsp.
ELIÁŠ PAVOL jun.   +3 more
core  

The contribution of volunteer recorders to our understanding of biological invasions [PDF]

open access: yes, 2015
The process of invasion and the desire to predict the invasiveness (and associated impacts) of new arrivals has been a focus of attention for ecologists over centuries.
Beckmann, Bjorn   +9 more
core   +1 more source

Floristic Inventory of Woollen’s Gardens Nature Preserve, Indianapolis, Marion County, Indiana, USA, With Quantitative Vegetation Sampling of Permanent Plots in 2003 and 2016 [PDF]

open access: yes, 2017
Urban forest fragments face challenges to habitat quality due to small size, isolation from larger natural areas, and close association with anthropogenic disturbance.
Dolan, Rebecca W., Moore, Marcia E.
core   +1 more source

Colour, health and wellbeing: the hidden qualities and properties of natural dyes [PDF]

open access: yes, 2013
This paper addresses the questions: Is it feasible that the chemicals present in the natural dyes of both plants and insects which in the past, man has exploited for their colour, could exhibit other properties?
Wells, Kate
core   +1 more source

Altitudinal Variation of Flavonoid Content in the Leaves of and the Needles of on Mt. Fuji

open access: yesNatural Product Communications, 2015
Ultraviolet-B radiation is harmful to plants, and its intensity increases at altitude. So plants growing at high altitude possess UV protection systems. Flavonoid is known as a major UV protectant because it absorbs UV radiation and scavenges UV-induced ...
Yoshinori Murai   +3 more
doaj   +1 more source

The Feasibility of Enhancing Red Sea Urchin, Strongylocentrotus iranciscanus, Stocks in California: An Analysis of the Options [PDF]

open access: yes, 1989
The California fishery for red sea urchins, Strongylocentrotus franciscanus, has undergone explosive growth in recent years and is approaching full exploitation. Thus, there is considerable interest in enhancing stocks to maintain a high rate of landings.
Tegner, Mia J.
core  

Vine weeds of Missouri (2003) [PDF]

open access: yes, 2003
"NEW 12/03/1M.""Integrated pest management.""Plant protection programs : College of Agriculture, Food and Natural Resources""This publication is part of a series of IPM Manuals prepared by the Plant Protection Programs of the University of Missouri ...
Fishel, Fred, Kendig, Andy
core  

Home - About - Disclaimer - Privacy