Results 71 to 80 of about 41,831 (231)

Inter‐disciplinary perspectives on sustainability in machinery manufacturing

open access: yesInternational Journal of Management Reviews, EarlyView.
Abstract Perspectives on economic, social and environmental sustainability in machinery manufacturing are changing. These are predominantly driven by increased consumer, firm and public knowledge on the importance of sustainability and the role that machinery manufacturers can play to achieve sustainability outcomes.
Oluwaseun E. Olabode   +5 more
wiley   +1 more source

Análise da curva de crescimento de machos Hereford Growth curve analysis for Hereford cattle males

open access: yesCiência e Agrotecnologia, 2003
Para estudar a função de melhor ajustamento ao crescimento de bovinos Hereford, foram utilizados dados de 160 machos, ajustando-se as funções de Brody, Gompertz, Logística, Richards e von Bertalanffy.
Ana Rita de Assumpção Mazzini   +3 more
doaj   +1 more source

Comparison of Electronic Length Frequency Analysis (ELEFAN) for Estimation of Growth Parameters for Lollyfish, Holothuria (Holothuria) atra and Sand Sea Cucumber, Holothuria (Thymiosycia) arenicola (Holothuroidea: Echinodermata) in the North Arabian Sea, Pakistan

open access: yesMarine Science and Technology Bulletin, 2020
To estimate the growth parameters, the non-seasonal von Bertalanffy and Hoenig seasonal von Bertalanffy models were fitted to the length frequency data of Holothuria atra and H. arenicola obtained from coastal areas of Karachi in the northern Arabian Sea,
Quratulan Ahmed   +2 more
doaj   +1 more source

Analysis of logistic growth models [PDF]

open access: yes, 2001
A variety of growth curves have been developed to model both unpredated, intraspecific population dynamics and more general biological growth. Most successful predictive models are shown to be based on extended forms of the classical Verhulst logistic ...
Tsoularis, A.
core  

Plasticity in the reproductive biology of Yellowstone cutthroat trout Oncorhynchus virginalis bouvieri in Yellowstone Lake following lake trout Salvelinus namaycush invasion

open access: yesJournal of Fish Biology, EarlyView.
Abstract Yellowstone cutthroat trout Oncorhynchus virginalis bouvieri in Yellowstone Lake are the focus of intensive conservation efforts due to the threat of predation by invasive lake trout Salvelinus namaycush. Suppression gillnetting has reduced the abundance of predatory lake trout, and the Yellowstone cutthroat trout population is recovering ...
Michelle A. Briggs   +3 more
wiley   +1 more source

VON BERTALANFFY GROWTH CURVE OF THE RUDD (Scardinius erythrophthalmus L.) FROM THE LAKE KLJUČIĆ BRDO, CENTRAL CROATIA [PDF]

open access: yesCroatian Journal of Fisheries, 2011
The rudd is a cyprinid herbivorous freshwater fish. The samples of rudd have been taken from the „Ključić brdo“ location. The arithmetic mean of length for each age group was determined according to Peterson, Danish ichthyologist.
Marina Piria   +2 more
doaj  

Curvas de crescimento na produção animal Growth curves in animal production

open access: yesRevista Brasileira de Zootecnia, 2005
Foram discutidas as propriedades de sete modelos não-lineares, considerando-se o ajuste de curvas de crescimento na produção animal. Os modelos utilizados: Brody, Richards, Von Bertalanffy e duas alternativas de Gompertz e de Logístico foram ajustados ...
Alfredo Ribeiro de Freitas
doaj   +1 more source

Growth rates in two natural populations of Gasterosteus aculeatus in northwestern Spain: relationships with other life history parameters

open access: yesAnimal Biodiversity and Conservation, 2020
Tasas de crecimiento en dos poblaciones naturales de Gasterosteus aculeatus en el noroeste de España: relación con otros parámetros vitales Se analizaron las tasas de crecimiento de dos poblaciones naturales de Galicia (noroeste de España) del pez ...
E. San Miguel   +4 more
doaj   +1 more source

Biological aspects and population dynamics of the European pilchard Sardina pilchardus (Walbaum, 1792) in the southeastern Mediterranean waters

open access: yesJournal of Fish Biology, EarlyView.
Abstract The European pilchard, Sardina pilchardus, is a key small pelagic fish sustaining Mediterranean ecosystems and fisheries. This study represents the first comprehensive biological and population dynamics assessment of the European pilchard by applying the length‐based spawning potential ratio (LB‐SPR) approach to S.
Mohab Badreldin   +3 more
wiley   +1 more source

The Evaluation for Recent Growth Performance of Bali Cattle using Non-linear Models

open access: yesYüzüncü Yıl Üniversitesi Tarim Bilimleri Dergisi
Growth curve modeling is essential for understanding livestock development, productivity, and efficiency. This study evaluated the growth patterns of Bali cattle, a resilient and economically significant breed in Indonesia, using five non-linear growth ...
Asep Setiaji   +8 more
doaj   +1 more source

Home - About - Disclaimer - Privacy