Results 81 to 90 of about 13,690 (245)

Conservation genomics of Pecos pupfish (Cyprinodon pecosensis)

open access: yesJournal of Fish Biology, EarlyView.
Abstract The Pecos pupfish, Cyprinodon pecosensis, is an imperilled freshwater fish found in arid regions of Texas and New Mexico (USA). The species faces multiple challenges to persistence including reductions in suitable habitat, water shortages, as well as hybridization and competition with an introduced congener (sheepshead minnow, C.
Elizabeth P. Dolan   +6 more
wiley   +1 more source

Pangenome analysis reveals the genetic mechanism underlying high‐altitude adaptation in Qinghai–Xizang (Tibet) Plateau Rhododendron

open access: yesJournal of Integrative Plant Biology, EarlyView.
Pan‐genome analysis reveals that high‐altitude Rhododendron species resist alpine cold stress by rapidly sensing and engaging the chilling response pathway and genes that directly and indirectly protect the plant from UV radiation. Heritable genomic features such as long terminal repeats contribute to the adaptive diversification of Rhododendron ...
Haoyang Zhou   +11 more
wiley   +1 more source

First occurrences of Trionychidae (Testudines, Cryptodira) from the Miocene of Poland: Detailed cranial anatomy and biogeographic implications

open access: yesJournal of Anatomy, EarlyView.
Fossil finds from three Middle Miocene sites in Poland reveal the northernmost known presence of trionychid turtles in Europe, tentatively identified as Trionyx cf. vindobonensis, suggesting a warmer climate that supported thermophilic species in Central Europe during this period. Abstract Modern trionychids (Testudines, Cryptodira) have a pan‐tropical
Yohan Pochat‐Cottilloux   +5 more
wiley   +1 more source

Análisis de la normatividad en contratación pública [PDF]

open access: yes, 2018
18 p.La contratación pública ha sido objeto de una sustanciosa regulación normativa desde la expedición de la Ley 80 de 1993. Esta última fue concebida como un instrumento fundamental para entender la nueva forma de emprender la gestión pública, en un ...
Bahamón-Jara, Martha Lucía
core  

Marco jurídico de la Contratación Estatal en Colombia

open access: yes, 2022
Los conceptos generales y las definiciones jurídicas de la contratación estatal, están ceñidas a lo preceptuado en la ley 80 de 1993, la cual establece los postulados y lineamientos que conforman el régimen de contratación estatal en Colombia.
Gamero Morales, Danellys Patricia   +1 more
core  

‘Grabbing Our Land Deprives Us of Our Future’: Struggles Against State‐Led Land Dispossession, Demands for Justice and Citizenship in Dakar's Urban Outskirts

open access: yesJournal of Agrarian Change, EarlyView.
ABSTRACT How do people at the outskirts of Dakar struggle against urban land grabs and state‐led dispossession for urban development? How do they express the injustices they face and their demands for justice? What are they claiming, and what success have they had?
Philippe Lavigne Delville
wiley   +1 more source

Between Dispossession and Inclusion: Land Injustice and Project‐Based Citizenship in the Bagré Irrigation Scheme (Burkina Faso)

open access: yesJournal of Agrarian Change, EarlyView.
ABSTRACT Large‐scale irrigation schemes are central to agrarian transformation in sub‐Saharan Africa, yet their political implications are often reduced to questions of land redistribution or agrarian differentiation. Although existing scholarship has documented how irrigation restructures agrarian relations and generates dispossession, less attention ...
William's Daré
wiley   +1 more source

Prestación del servicio público esencial de bomberos: aportes a la reforma de la Ley 1575 de 2012

open access: yes, 2022
La Ley general de bomberos de Colombia (1575 de 2012) dispone que el servicio público esencial de bomberos deberá prestarse de manera eficiente a todos los habitantes del territorio nacional, de forma directa a través de los Cuerpos de Bomberos ...
Alarcón Rojas, Laura Liliana
core  

Plasma Pharmacokinetic Profile of Fipronil 1% Pour‐On in Cattle: Photodegradation and the Sustained Systemic Persistence of Fipronil Sulfone

open access: yesJournal of Veterinary Pharmacology and Therapeutics, EarlyView.
ABSTRACT This study characterized the long‐term pharmacokinetic profile of a 1% fipronil pour‐on formulation in Nellore bulls under field conditions. Seventeen animals received a single topical dose (1 mg/kg), and plasma concentrations of fipronil and its metabolites (sulfone and desulfinyl) were monitored for 175 days using LC–MS/MS.
Stefani Maria Ferreira   +8 more
wiley   +1 more source

O garantismo jurídico de Luigi Ferrajoli e a teoria da argumentação jurídica de Robert Alexy: uma aproximação teórica [PDF]

open access: yes, 2006
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Jurídicas. Programa de Pós-Graduação em DireitoA teoria geral do garantismo jurídico elaborada por Luigi Ferrajoli pretende ser uma possível solução para crise do Direito.
Gil, Lise Anne de Borba Franzoni
core  

Home - About - Disclaimer - Privacy