Results 1 to 10 of about 5,874,796 (305)

Energy Use and the Associated Carbon Emissions – An Analysis of Two Nature-Based Tourism Properties in the Greater Kruger National Park [PDF]

open access: yesAfrican Journal of Hospitality, Tourism and Leisure, 2022
The effects of climate change are a global issue with the potential to threaten human existence on Earth. All aspects of society must find innovative ways to reduce their contributions to climate change and prevent a further rise in global ...
Tovhowani Thandi Nomagugu Mudau   +2 more
doaj   +1 more source

B Cell Subset Analysis and Gene Expression Characterization in Mid-Luteal Endometrium

open access: yesFrontiers in Cell and Developmental Biology, 2021
The human endometrium is the innermost mucosal membrane of the uterus and is the first point of contact for an implanting blastocyst. A wide variety of immune cells are found amongst the endometrial epithelial layers and stromal cells which both provide ...
Mengni Shen   +7 more
doaj   +1 more source

What enables size-selective trophy hunting of wildlife? [PDF]

open access: yesPLoS ONE, 2014
Although rarely considered predators, wildlife hunters can function as important ecological and evolutionary agents. In part, their influence relates to targeting of large reproductive adults within prey populations.
Chris T Darimont, K Rosie Child
doaj   +1 more source

Problems and progress in nature conservation in Rhodesia

open access: yesKoedoe: African Protected Area Conservation and Science, 1977
The conflicting emotions generated around the aesthetic qualities of wildlife and its pragmatic use as a resource are a feature of human societies stretching into antiquity.
G.F.T. Child
doaj   +1 more source

Seroprevalence of Neospora caninum in dogs from greater Sydney, Australia unchanged from 1997 to 2019 and worldwide review of adult-onset of canine neosporosis

open access: yesCurrent Research in Parasitology and Vector-Borne Diseases, 2021
Neospora caninum causes disease of the muscle and nervous systems in canine pups and is known for producing disease in older dogs. We aimed to determine anti-N.
Andrew Barker   +3 more
doaj   +1 more source

Critical role of ring structure in the differential uptake of cholesterol and plant sterols by membrane preparations in vitro.

open access: yesJournal of Lipid Research, 1983
To determine the role of the ring structure in the differential absorption of sterols, we have used rat jejunal brush border vesicles and erythrocytes to examine the uptake of cholesterol, campesterol, and sitosterol following successive chemical ...
P Child, A Kuksis
doaj   +1 more source

How to Sell a Friend: Disinterest as Relational Work in Direct Sales

open access: yesSociological Science, 2021
Economic sociologists agree that monetary transactions are not necessarily antithetical to meaningful social relationships. However, they also accept that creating "good matches" between the two requires hard work.
Curtis Child
doaj  

Uptake of 7-dehydro derivatives of cholesterol, campesterol, and beta-sitosterol by rat erythrocytes, jejunal villus cells, and brush border membranes.

open access: yesJournal of Lipid Research, 1983
We have determined the effect of the side chain on the uptake of sterols from micellar solutions by isolated rat jejunal villus cells, brush border membranes, and erythrocytes.
P Child, A Kuksis
doaj   +1 more source

The marketing of elephants and field-dressed elephant products in Zimbabwe

open access: yesPachyderm, 1988
Describes the marketing of elephant products against different backgrounds. Ivory trade had a marked influence on African politics during the 19th Century and left a deep rooted, ill-defined mistrust of ivory dealings.
Graham Child, John White
doaj   +1 more source

Rapid adaptation to human protein kinase R by a unique genomic rearrangement in rhesus cytomegalovirus.

open access: yesPLoS Pathogens, 2021
Cytomegaloviruses (CMVs) are generally unable to cross species barriers, in part because prolonged coevolution with one host species limits their ability to evade restriction factors in other species.
Stephanie J Child   +2 more
doaj   +1 more source

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