Results 81 to 90 of about 27,898 (290)

The user structure in Brazil's tropical rain forest [PDF]

open access: yes
This paper presents quantitative evidence on the relationship between forest conversion and the productivity of agropastoral activities in the Legal Amazon.
May, Peter Herman, Reis, Eustáquio J.
core  

Sustainable Agricultural Bioindustry Development: Integration of Cassava Cultivation with Beef Cattle Husbandry in North Sulawesi Province [PDF]

open access: yes, 2018
This paper reviews the potential sustainable agricultural bioindustry development based on animal feed and organic fertilizer through an integration between crops cultivation with livestock production. This bio-industrial development could be carried out
Bakrie, B. (Bachtar)   +2 more
core  

Nitrogen and phosphorus losses from a feedlot for suckler cows [PDF]

open access: yes, 2002
The raising of cattle outdoors in winter is becoming more common in temperate areas, although there is little information available on the effects of this practice on forested environments.
Uusi-Kämppä, Jaana
core   +2 more sources

DNA metabarcoding reveals greater plant diversity than morphological seed analysis of bird feces

open access: yesApplications in Plant Sciences, EarlyView.
Abstract Premise Fruit‐eating birds drive seed dispersal in recovering tropical ecosystems, shaping forest regeneration. Molecular techniques, such as DNA metabarcoding, enable diet analysis from feces and can provide complementary frugivory data where dispersal is infrequent, as well as aid in seed identification in hyper‐diverse regions lacking ...
Carina I. Motta   +3 more
wiley   +1 more source

Discussion: Animal Identification Systems in North America: Achievements and Future Challenges [PDF]

open access: yes
Although Canada has developed an effective animal identification system, and the provinces are progressing toward a system that has full traceback capabilities, the U.S. and Mexico have made little or no progress. Contemporary U.S.
Knutson, Ronald D.
core   +1 more source

Adaptation of Migrating Betawi People: Existences, Forms, and Developments [PDF]

open access: yes, 2019
Adaptation of migrating Betawi people as the ethnic migrant in urban areas is an interesting social phenomena related to urbanism. This study aims to analyze the urbanism or the way of life of the Betawi people in Palembang city.
Fitriyani, D. (Deska)
core   +1 more source

Morphological and morphometric aspects of the equine aortic valve: New insights for comparative studies in mammals

open access: yesThe Anatomical Record, EarlyView.
Abstract New data on the equine aortic valve obtained using advanced techniques is especially important given the greater availability of animal models for translational research. Here we characterized the morphological and morphometric aspects of the equine aortic valve from 60 healthy hearts collected at equine abattoirs.
Vitor Pires Pereira   +3 more
wiley   +1 more source

Espacialização e dinâmicas contemporâneas da agropecuária paranaense

open access: yesConfins, 2017
Technological revolution is providing the intensification of the capitalist way in producing in agriculture, promoting real restructuring in the sector. From this, new agricultural spaces can be incorporated into the globalized production and consumption,
Cecília Hauresko, Hervé Théry
doaj   +1 more source

[Review of] Peter Iverson, ed. The Plains Indians of the Twentieth Century [PDF]

open access: yes, 1988
Iverson\u27 s new volume of collected essays by authorities on reservation life serves as an invaluable aid to a further understanding of the sometimes agonizing social problems vis-a-vis the federal government.
Fleck, Richard F.
core   +1 more source

Descriptive, comparative, and functional anatomy of the facial musculature in cattle (Bos taurus)

open access: yesThe Anatomical Record, EarlyView.
Abstract Facial expressions can provide insight into animal emotions and pain, but no standardized system for assessing the entire facial display in cattle (Bos taurus Linnaeus) exists. The Facial Action Coding System (FACS), originally developed for humans, identifies distinct facial movements based on mimetic muscles.
Maja Söderlind   +6 more
wiley   +1 more source

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