Results 111 to 120 of about 70,641 (225)

A"research"database on infrastructure economic performance [PDF]

open access: yes
The authors present an infrastructure database that was assembled from multiple sources. Its main purposes are: (1) to provide a snapshot of the sector as of the end of 2004; and (2) to facilitate quantitative analytical research on infrastructure.
Estache, Antonio, Goicoechea, Ana
core  

Termites of the Genus Cryptotermes Banks (Isoptera: Kalotermitidae) from the West Indies [PDF]

open access: yes, 1999
A taxonomic revision of the genus Cryptotermes occurring in the West Indies is given based on recent collections from the Greater Antilles, Lesser Antilles, and the Bahamas.
Krecek, Jan, Scheffrahn, Rodolf H.
core  

World Heritage: Where are we? An empirical analysis [PDF]

open access: yes
A statistical analysis of the UNESCO World Heritage List is presented. The World Heritage Convention intends to protect global heritage of outstanding value to mankind, but there has been great concern about the missing representativity of the member ...
Bruno S. Frey, Paolo Pamini
core   +3 more sources

Assessing the long-distance repellency of long-lasting insecticide netting to a suite of post-harvest insects [PDF]

open access: yes, 2018
Insects are our main competitors for food on the planet (1). In fact, growers lose 10-30% of crops during storage, processing, and marketing after harvest each year to stored product insects (2,3).
Alonso, Alicia Amairani   +2 more
core  

Population growth and life table studies of five polyphagous stored grain pests on green gram

open access: yesJournal of Basic and Applied Zoology
Background Polyphagous stored grain pests, such as Sitophilus oryzae, Callosobruchus chinensis, Sitotroga cerealella, Rhyzopertha dominica and Trogoderma granarium are expanding their host ranges.
Neha Chowdhury   +3 more
doaj   +1 more source

Country Risk Ratings of Small Island Tourism Economies [PDF]

open access: yes
Over the last twenty years, there has been a growing fascination within public and academic circles about the livelihood of islands with small populations and territory which are present in each of the world’s great oceans.
Riaz Shareef
core  

FUMIGATION TOXICITY OF ESSENTIAL OILS AGAINST Rhyzopertha dominica (F.) IN STORED MAIZE GRAIN

open access: yesRevista Caatinga, 2016
The Rhyzopertha dominica F. (Coleoptera: Bostrichidae) is a primary pest of stored grains in many regions of the world. In this work we evaluated the fumigant activity of essential oils of Ocimum basilicum L., Citrus aurantium L., Mentha spicata L.
VALDEANY NÚBIA DE SOUZA   +3 more
doaj  

Are Caribbean countries diverging or converging? evidence from spatial econometrics [PDF]

open access: yes
After gaining political independence from the European countries and the United States, the Caribbean Basin economies have at the end of the 2000s display considerable differences in income and living standards.
CRAIGWELL, ROLAND, MAURIN, ALAIN
core   +1 more source

Laboratory Studies of the Activity of Spinosad against Leptinotarsa decemlineata (Say) Depending on Different Temperature [PDF]

open access: yes, 2008
Mortality of the Colorado potato beetle larvae (Say) and adults caused by commercial formulation of spinosad at 15, 20 and 250C was determined under laboratory conditions. The insects and the leaves of potatoes were sprayed with the insecticide.
Kowalska, Jolanta
core  

Did DR-CAFTA Affect the Exports of the Dominican Republic to the United States?

open access: yes, 2019
This article evaluates the impact the Dominican Republic and Central America Free Trade Agreement (DR-CAFTA) had on the exports of the Dominican Republic (DR) to the United States.
Hansen, Asger V.   +1 more
core  

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