Results 111 to 120 of about 34,470 (297)

Platinum Group Element Traces of CAMP Volcanism Associated With Low‐Latitude Environmental and Biological Disruptions

open access: yesGeophysical Monograph Series, Page 263-304., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Jessica H. Whiteside   +3 more
wiley  

+2 more sources

Apple powdery mildew caused by Podosphaera leucotricha: some important features of biology and epidemiology

open access: yesInternational Journal of Horticultural Science, 2009
In this review, some important features of biology and epidemiology are summarised for apple powdery mildew (Podosphaera leucotricha). In the first part of the review, the geographical distribution or the pathogen are discussed, then the morphology and ...
I. J. Holb
doaj   +1 more source

Comparative spore morphology of ten species of the genus Ophioglossum L. from Kerala, India [PDF]

open access: yes
The eusporangiate fern Ophioglossum brings some uncertainty among taxonomists while identifying the species. Therefore, a combined approach by considering the spore morphology and other morphological characters is more authentic for delimiting species of
Khan, Afsana   +2 more
core   +2 more sources

Morphological plasticity in Myxobolus Bütschli, 1882: a taxonomic dilemma case and renaming of a parasite species of the common carp

open access: yesParasites & Vectors, 2018
Background Myxozoans are a group of cnidarian parasites, the present taxonomy of which favors a more comprehensive characterization strategy combining spore morphology, biological traits (host/organ specificity, tissue tropism), and DNA data over the ...
Qingxiang Guo   +4 more
doaj   +1 more source

Field emission gun-scanning electron microscopy (FEG-SEM) micrographs of (A) Streptomyces sp. (BPSAC34) and (B) Leifsonia xyli (BPSAC24) showing spore chain morphology. [PDF]

open access: yes, 2015
Field emission gun-scanning electron microscopy (FEG-SEM) micrographs of (A) Streptomyces sp. (BPSAC34) and (B) Leifsonia xyli (BPSAC24) showing spore chain morphology.
Mukesh Kumar Yadav (703688)   +5 more
core   +1 more source

Hair Degradation Patterns in Aquatic and Soil Environments

open access: yesArchaeometry, EarlyView.
ABSTRACT Hair is a biological material that can provide information in archaeology and forensics. Previous studies have mainly examined changes occurring post‐mortem. In this study, we focused on hair pulled out ante‐mortem. The aim of the study was to identify patterns in the degradation of hair in water and soil.
Katarzyna Palacz‐Ziółek   +3 more
wiley   +1 more source

Anatomical and Histological Descriptions of the Male Reproductive System of the Alfalfa Weevil of Hypera postica (Gyllenhal, 1813) (Coleoptera: Curculionidae) Using Light and Scanning Electron Microscopies

open access: yesActa Zoologica, EarlyView.
ABSTRACT Features of the reproductive organs, such as the number of testicular follicles, testis colour and the morphology of the glands, can be used as systematic characters. For this purpose, this paper was the first description of the male reproductive system anatomy and histology of Hypera postica (Gyllenhal, 1813) (Coleoptera: Curculionidae), a ...
Nurcan Özyurt Koçakoğlu   +3 more
wiley   +1 more source

A New Hexaploid Species of Isoetes (Isoetaceae) From Fujian, China, Based on Morphological and Molecular Evidence

open access: yesEcology and Evolution
A new endemic species of Isoetes from Fujian, China, which was previously identified as I. orientalis, is described and illustrated. In this study, we observed its leaf cross‐cut characteristics under a microscope and spore morphology characteristics ...
Moran Wang   +8 more
doaj   +1 more source

The tree‐parasitic fungus Cryphonectria carpinicola discovered on European chestnut and European hornbeam in Azerbaijan

open access: yesEPPO Bulletin, EarlyView.
Abstract The ascomycetous fungus Cryphonectria carpinicola is typically found in its asexual form on the European hornbeam, and its sexual state has only recently been discovered in deadwood of different Carpinus species in Japan. Recently, this fungus has been added to the EPPO Alert List due to its increasing incidence in the EPPO region and a ...
Carolina Cornejo   +2 more
wiley   +1 more source

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