Results 71 to 80 of about 7,458 (230)

Feeding Management of African Rhinos (Ceratotherium simum, Diceros bicornis) in European Zoos

open access: yesZoo Biology, EarlyView.
The average estimated diets (in % dry matter) of white rhinos (C. simum) and black rhinos (D. bicornis) in European zoos differ in the proportion of (pelleted) compound feed and other non‐forage items. The reason for this difference is elusive but possibly related to creating more complicated diets for browsers. ABSTRACT White rhinos (WR, Ceratotherium
Gila Sauspeter   +6 more
wiley   +1 more source

Phytolith Concentration and Morphological Variation in Dendrocalamus brandisii (Munro) Kurz. Leaves in Response to Sodium Silicate Foliar Application Across Vegetative Phenological Stages

open access: yesAgronomy
This study investigated the effects of the foliar application of sodium silicate (SS) on phytolith formations in Dendrocalamus brandisii (Munro) Kurz. leaves by analyzing the phytolith concentration, morphological parameters, and assemblage compositions ...
Yuntao Yang   +6 more
doaj   +1 more source

Anatomía de las hojas y biomineralización en Empetrum rubrum Valh ex Willd. (Ericaceae). [PDF]

open access: yes, 2012
The present paper describes and illustrates features of Empetrum rubrum epidermis and transverse leaf section. It also describes and quantifies siliceous and calcium phytoliths.Biomineralization quantification is expressed as the media biomineral content
Arriaga, Mirta Olga   +2 more
core   +2 more sources

A reappraisal of the Middle to Later Stone Age prehistory of Morocco Réévaluer la préhistoire du Maroc, du Middle Stone Age au Later Stone Age

open access: yesJournal of the Royal Anthropological Institute, EarlyView.
Over the last 25 years, perceptions of the early prehistory of Northwest Africa have undergone radical changes due to new fieldwork projects and a corresponding growth in scientific interest in the region. Much of this work has been focused in Morocco, known for its extremely rich fossil and archaeological records in caves and rock shelters.
Nick Barton   +3 more
wiley   +1 more source

Plant uses in different bronze and iron age settlements from the Nuoro province (Sardinia). The results of phytolith analyses from several ceramic fragments and grinding stones. [PDF]

open access: yes, 2014
Ceramic vessels and milling stones are important components of the archaeological record in several Nuraghi from the Pranemuru Plateau (Sardinia). To obtain information on the possible uses of the milling stones and the content vessels is of great ...
Albert Cristóbal, Rosa Maria   +1 more
core  

Barnyard grasses were processed with rice around 10000 years ago [PDF]

open access: yes, 2015
Rice (Oryza sativa) is regarded as the only grass that was selected for cultivation and eventual domestication in the Yangtze basin of China. Although both macro-fossils and micro-fossils of rice have been recovered from the Early Neolithic site of ...
A Weisskopf   +28 more
core   +1 more source

Russian wheat aphid: a model for genomic plasticity and a challenge to breeders

open access: yesInsect Science, EarlyView.
Invasive foundress finds suitable habitat and reproduces through pathogenesis. Wingless females produce life offspring quickly, which leads to high population densities. High population densities result in competition, which may induce epigenetic changes and wing development for dispersal.
Astrid Jankielsohn   +8 more
wiley   +1 more source

Impacts of deforestation and burning, and the role of bracken fern, on the properties of surficial or buried soil A-horizons [PDF]

open access: yes, 2008
Bracken fern (Pteridium spp.) is an aggressive plant that commonly invades disturbed sites. Its success as an invader is attributable, in part, to its ability to produce abundant growth, both below ground in the form of rhizomes and fine roots and above ...
Lowe, David J., McDaniel, Paul
core   +1 more source

Bridging the Late Antique Gap in Northwest Arabia: New Archaeological Evidence on the Occupation of Wādī al‐Qurā (al‐ʿUlā [AlUla], Saudi Arabia) Between the Third and Seventh Centuries CE

open access: yesArabian Archaeology and Epigraphy, EarlyView.
ABSTRACT In 2019, the Dadan Archaeological Project (CNRS/RCU/AFALULA) identified a Late Antique village 1 km south of ancient Dadan in the al‐ʿUlā valley (northwest Saudi Arabia). Three excavation seasons at this site (2021–2023) have uncovered a massive building constructed in the late third or early fourth cent.
Jérôme Rohmer   +11 more
wiley   +1 more source

Where are the cereals? Contribution of phytolith analysis to the study of subsistence economy at the Trypillia site Maidanetske (ca. 3900-3650 BCE),central Ukraine [PDF]

open access: yes, 2018
Phytolith analysis has been applied in one of the extraordinary Trypillia “mega-site” in central Ukraine. The site Maidanetske, dated to ca. 3900–3650 BCE, is composed of ca. 3000 houses, which were built of earth-based architecture.
Dal Corso, Marta   +7 more
core  

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