Results 1 to 10 of about 2,712,702 (297)

Approximate invariance for ergodic actions of amenable groups [PDF]

open access: yesDiscrete Analysis, 2019
Approximate invariance for ergodic actions of amenable groups, Discrete Analysis 2019:6, 56 pp. A basic phenomenon in additive combinatorics is that the "size" of a sumset $A+B$ or product set $AB$ of two sets $A,B$ is "usually" at least as large as the
Michael Björklund, Alexander Fish
doaj   +3 more sources

Calibrating minimum counts and catch‐per‐unit‐effort as indices of moose population trend

open access: yesWildlife Society Bulletin, 2016
Monitoring wildlife population trends often involves indices assumed to correlate in proportion to abundance. We used aerial count data and harvest statistics for moose (Alces alces) populations in 16 hunting districts of Montana, USA, spanning 32 years (
Nicholas J. DeCesare   +7 more
doaj   +1 more source

Myth debunked: Keratinous pangolin scales do not contain the analgesic tramadol

open access: yesConservation Science and Practice, 2019
Conservation plans aiming to reduce the threat of illegal wildlife trade increasingly recognize the need for multifaceted approaches that include both enhanced enforcement and demand reduction initiatives.
Rachel L. Jacobs   +3 more
doaj   +1 more source

Dual Mode Logic—Design for Energy Efficiency and High Performance

open access: yesIEEE Access, 2013
The recently proposed dual mode logic (DML) gates family enables a very high level of energy-delay optimization flexibility at the gate level. In this paper, this flexibility is utilized to improve energy efficiency and performance of combinatorial ...
Itamar Levi, Alexander Fish
doaj   +1 more source

Regional African stock markets indices

open access: yesSouth African Journal of Business Management, 2002
This paper presents an overview of the construction of regional indices for three of the four regions within Africa. The three indices are the EASDEX (for East Africa), the NADEX (for North Africa) and the WADEX (for West Africa).
T. Fish, N. Biekpe
doaj   +1 more source

Cost-Effective Approach to Reducing Collisions with Elk by Fencing Between Existing Highway Structures

open access: yesHuman-Wildlife Interactions, 2017
Collisions with large ungulates cause serious human and animal injuries and significant property damage. Therefore, wildlife crossing structures are increasingly included in new road construction to reduce wildlife–vehicle collisions, while still ...
Jeffrey W. Gagnon   +5 more
doaj   +1 more source

Nuclear DNA content variation within four species of Asian catfish of family Pangasidae and their two interspecific hybrids by flow cytometry

open access: yesJurnal Akuakultur Indonesia, 2020
 Nuclear DNA content (NDC) of species or population is believed to have been formed naturally by many mechanisms such chromosomal mutation, insertion and deletion, transposable element, and duplication.
Imron   +3 more
doaj   +1 more source

Assessing detection of New Zealand mudsnails at low densities in Arizona streams [PDF]

open access: yesAquatic Invasions
The New Zealand mudsnail (NZMS) is a small-bodied gastropod that has successfully invaded waters across multiple continents. This species has the ability to reach extremely high densities in streams and exclude other aquatic macroinvertebrates which ...
Crosby K. Hedden   +4 more
doaj   +3 more sources

Unaffordable medical scheme contributions: A barrier to access to private health cover in South Africa

open access: yesSouth African Journal of Business Management, 2007
The purpose of the Medical Schemes Act, No. 131 of 1998 was inter alia to ‘promote non discriminatory access to privately funded health care’. A number of reforms were proposed as steps on a path to Social Health Insurance (SHI) with the ultimate goal of
T. Fish, S. Ramjee
doaj   +1 more source

Big fish, little fish [PDF]

open access: yesThe Journal of Thoracic and Cardiovascular Surgery, 2016
Dirk J, Varelmann, Michael N, D'Ambra
openaire   +2 more sources

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