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The role of educational leadership on participation in the National Program of Science and Technology Fairs at Highland Primary School in the Valley
负责人:
关键词:
STEM Education (Leadership) PBL educational leadership Costa Rican National Science Fair
DOI:
doi:10.25549/usctheses-c40-240813
摘要:
placed challenges on the educational system to develop students with 21st-century skills. In response, the government issued National Executive Decree
Data from: Population structure leads to male-biased population sex ratios under environmental sex determination
负责人:
关键词:
population sex ratio;gene flow;Environmental Sex Determination;population structure
DOI:
doi:10.5061/dryad.448sc26
摘要:
ll subpopulation sizes leading to local mate competition, a condition unlikely to be met in most ESD systems. Simulations revealed that consistent male biases ar
Data from: A global database and ‘state of the field’ review of research into ecosystem engineering by land animals.
负责人:
Coggan, Nicole
关键词:
functional extinction ecological function biodiversity redundancy ecological methods reintroductions conservation spatial and temporal replication conceptual framework
DOI:
doi:10.5061/dryad.3jj92rq
摘要:
reintroductions. 5. Climate change and habitat modification will challenge the roles that engineers play in regulating ecosystems, and these will become importa
Data from: Uncovering higher-taxon diversification dynamics from clade age and species-richness data
负责人:
关键词:
Diversity dependence;extinction;taxonomy;Crown age;birth-death models;Birth- death models;Time dependence;ARC;Mammalia;Stem age;Tree simulations;Angiospermae;Squamata;Lissamphibia;phylogenetic structure;Aves;speciation
DOI:
doi:10.5061/dryad.2b7d5
摘要:
time-dependent diversification processes. However, theory suggests that phylogenetic structure, age type (crown or stem age), and taxonomic delimitati
Data from: Automated taxonomic identification of insects with expert-level accuracy using effective feature transfer from convolutional networks
负责人:
关键词:
DOI:
doi:10.5061/dryad.20ch6p5
摘要:
, can be highly successful in developing automated taxonomic identification systems even when training datasets are small and computational budgets limited.
Data from: Nitrogen cycling and export in California chaparral: the role of climate in shaping ecosystem responses to fire
负责人:
关键词:
chaparral;mineralization;ecohydrology modeling;wildfire;nitrification;RHESSys;Mediterranean-type ecosystems;leaching;semi-arid;mechanistic model;climate change;plant-soil-water interactions
DOI:
doi:10.5061/dryad.5242j
摘要:
rm effects of a changing climate on postfire N dynamics remain unknown. We used the ecohydrologic model RHESSys (regional hydro-ecologic simulation system) to evaluate
AGRONOMIC AND PRODUCTIVE CHARACTERISTICS OF SUNFLOWER INTERCROPPED WITH FORAGE IN A CROP-LIVESTOCK INTEGRATION SYSTEM
负责人:
关键词:
50211 Wildlife and Habitat Management 90899 Food Sciences not elsewhere classified 60603 Animal Physiology - Systems 140201 Agricultural Economics 100199 Agricultural Biotechnology not elsewhere classified
DOI:
doi:10.6084/m9.figshare.8987102.v1
摘要:
in a crop-livestock integration system. The experiment was carried out in a randomized complete block design, in a 3×3 + 1 factorial scheme. Three sunflower inte
AGRONOMIC AND PRODUCTIVE CHARACTERISTICS OF SUNFLOWER INTERCROPPED WITH FORAGE IN A CROP-LIVESTOCK INTEGRATION SYSTEM
负责人:
关键词:
50211 Wildlife and Habitat Management 90899 Food Sciences not elsewhere classified 60603 Animal Physiology - Systems 140201 Agricultural Economics 100199 Agricultural Biotechnology not elsewhere classified
DOI:
doi:10.6084/m9.figshare.8987102
摘要:
in a crop-livestock integration system. The experiment was carried out in a randomized complete block design, in a 3×3 + 1 factorial scheme. Three sunflower inte
Data from: Hormonal pleiotropy and the evolution of allocation trade-offs
负责人:
关键词:
trade-offs;evolutionary constraints;Resource allocation;Storage cost;evolutionary endocrinology;hormonal pleiotropy
DOI:
doi:10.5061/dryad.6t4s455
摘要:
reliant traits, this relationship should depend on the endocrine system that regulates resource allocation. Here we model changes in this system by mutati
Data from: Temporal sampling helps unravel the genetic structure of naturally occurring populations of a phytoparasitic nematode. 2. Separati
负责人:
cecile.gracianne@gmail.com
关键词:
wild nematode populations assignment tests migration-drift equilibrium gene flow
DOI:
doi:10.5061/dryad.8g5n6
摘要:
in crops and to enhance pest control strategies. We used simulations and genetic markers to investigate the spatial and temporal population genetic struc

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