Results 41 to 50 of about 33,051 (255)

Successful Transition to Secondary School in Tanzania: What Are the Barriers? [PDF]

open access: yesJournal of International Development, 2017
AbstractTransition to secondary school is a problem internationally. Tanzanian students face an additional challenge as the medium of instruction changes from Kiswahili to English. An 18‐item questionnaire (N = 383) and focus groups (primary standard 7, secondary forms 1 and 3, and primary and secondary teachers) were used in this study.
Andrew Joyce‐Gibbons   +5 more
openaire   +4 more sources

Microbial gradual shifts during the process of species replacement in Taihang Mountain

open access: yesFrontiers in Microbiology, 2023
IntroductionUnderstanding microbial gradual shifts along species replacement can help elucidate the mechanisms driving secondary succession, and predict microbial responses to changing environments. However, how climate-induced species replacement alters
Xiuping Liu   +4 more
doaj   +1 more source

Phylogenetic structure and diversity among herpetofaunal communities along a successional gradient of a tropical dry forest in Mexico

open access: yesPerspectives in Ecology and Conservation, 2022
The tropical dry forest (TDF) is one of the most biodiverse ecosystems on earth, but also one of the most threatened. Therefore, it is critical to understand the processes that control community assembly and generate diversity during succession.
Clementina González   +2 more
doaj   +1 more source

Shifts in soil nutrient concentrations and C:N:P stoichiometry during long-term natural vegetation restoration [PDF]

open access: yesPeerJ, 2020
Background Ecological stoichiometry (C:N:P ratios) in soil is an important indicator of the elemental balance in ecological interactions and processes.
Rentian Ma   +6 more
doaj   +2 more sources

Multitrophic energy flux in soil micro-food webs: the primacy of functional diversity across primary and secondary forest succession

open access: yesGeoderma
Forest restoration is a cornerstone strategy for combating global biodiversity loss and restoring degraded ecosystem functions. Energy fluxes within ecological communities serve as the link between multitrophic biodiversity and ecosystem functioning ...
Yilin Feng   +4 more
doaj   +1 more source

Temporal analysis of butterfly diversity in a succession gradient in a fragmented tropical landscape of Mexico

open access: yesGlobal Ecology and Conservation, 2020
We analyze changes in the diversity of butterflies under a scheme of secondary succession in a fragmented landscape of the Huasteca of Hidalgo, Mexico over two seasons (rainy and dry) and four successional stages (cattle pasture, early secondary ...
Nallely Martínez-Sánchez   +2 more
doaj   +1 more source

Variations and influencing factors of soil organic carbon during the tropical forest succession from plantation to secondary and old–growth forest

open access: yesFrontiers in Ecology and Evolution, 2023
IntroductionSoil organic carbon (SOC) accumulation changed with forest succession and hence impacted the SOC storage. However, the variation and underlying mechanisms about SOC during tropical forest succession are not fully understood.MethodsSoil ...
Guitong Xing   +18 more
doaj   +1 more source

Guidelines for Pediatric Radiotherapy Simulation: A Report From the Children's Oncology Group Radiation Oncology Discipline

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Pediatric radiation therapy presents unique challenges compared to adult treatments, including those of immobilization, potential need for sedation, and the critical importance of accurate, reproducible positioning. Additionally, heightened attention to imaging doses is necessary to minimize long‐term toxicity in survivors.
Parham Alaei   +17 more
wiley   +1 more source

Personalized Zebrafish Models for Fusion‐Positive Pediatric Sarcomas

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Clinical sequencing efforts have revolutionized our approaches to categorizing pediatric cancers in real time. This has dramatically improved our ability to profile pediatric tumors, identify actionable vulnerabilities, and influence clinical care.
Lisa H. Hall   +2 more
wiley   +1 more source

High‐Altitude Open‐Pit Coal Mining has Changed the Sulfur Cycle and Ecological Network of Plant Rhizosphere Microorganisms

open access: yesEcology and Evolution
Ecological restoration of mining sites has a considerable effect on microbial community dynamics; however, its impact on sulfur cycling is unclear. This study explored the changes in functional genes related to sulfur cycling and microbial diversity ...
Honglin Liu   +6 more
doaj   +1 more source

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