分析形态属性作为毒箭青贸易的驱动因素
Puja Jaichand1, David L Roberts1, Iain M Fraser1,2
1Durrell Institute of Conservation and Ecology, University of Kent, Canterbury, UK.
概括
购买者对异国情调的物青的偏好,特别是毒箭青 (Dendrobatidae),是由颜色和年龄等特定属性驱动的. 了解这些因素可以帮助管理贸易和保护生物多样性.
科学领域:
- * 保护生物学 保护生物学
- * 野生动物贸易经济学
- * 杂虫学 杂虫学 杂虫学
背景情况:
- *不可持续的野生动物贸易威胁着全球生物多样性,需求由物种属性驱动.
- * 异国情调的物贸易,特别是两动物和爬行动物,如毒箭青 (Dendrobatidae),突出了物种特异性价值.
- *购买者对毒箭青的需求与它们鲜的颜色和日间活动有关.
研究的目的:
- * 分析购买者对Dendrobates*属内的特定属性的偏好.
- * 确定哪些形态和市场属性会影响的价格.
- * 为当地社区提供保护战略和经济利益提供信息.
主要方法:
- *从网上Dendrobates交易中收集的市场数据,包括物种,地区,起源和年龄.
- *综合市场数据与每个物种和地区的形态属性数据.
- *采用快乐性价格回归分析来确定关键价格预测因素.
主要成果:
- *物种,年龄,销售地区,市场稀有性,头部颜色和干部颜色显著预测了箭价格.
- * 特定的属性显然影响了异国情调物贸易的市场价值.
- * 享乐主义定价模型揭示了"Dendrobates"的独特市场驱动因素.
结论:
- * 了解价格决定性属性可以优化范围国家和社区的经济回报.
- *识别高价值物种可以帮助预测和减轻不可持续贸易带来的威胁.
- * 通过了解市场动态和物种估值,可以加强保护工作.
相关概念视频
02:40Pollination and Flower Structure
75.2K
Flowers are the reproductive, seed-producing structures of angiosperms. Typically, flowers consist of sepals, petals, stamens, and carpels. Sepals and petals are the vegetative flower organs. Stamens and carpels are the reproductive organs.
75.2K
01:21Frequency-dependent Selection
23.1K
When the fitness of a trait is influenced by how common it is (i.e., its frequency) relative to different traits within a population, this is referred to as frequency-dependent selection. Frequency-dependent selection may occur between species or within a single species. This type of selection can either be positive—with more common phenotypes having higher fitness—or negative, with rarer phenotypes conferring increased fitness.
23.1K
02:39Predator-Prey Interactions
21.1K
Predators consume prey for energy. Predators that acquire prey and prey that avoid predation both increase their chances of survival and reproduction (i.e., fitness). Routine predator-prey interactions elicit mutual adaptations that improve predator offenses, such as claws, teeth, and speed, as well as prey defenses, including crypsis, aposematism, and mimicry. Thus, predator-prey interactions resemble an evolutionary arms race.
21.1K
02:29Hybrid Zones
21.7K
Hybrid zones are narrow regions where two closely related species interact, mate, and produce hybrids. Relative to either parent species, hybrids may possess distinct phenotypic or genetic differences that impact their survival and reproductive success. The genetic variances introduced by hybridization influence species diversity and speciation processes within the hybrid zone.
21.7K
02:27Background and Environment Affect Phenotype
7.4K
Although the genetic makeup of an organism plays a major role in determining the phenotype, there are also several environmental factors, such as temperature, oxygen availability, presence of mutagens, that can alter an organism’s phenotype.
An example of how genetic background affects phenotype can be seen in horses. The Extension gene in horses is responsible for their coat color. A wild-type gene (EE) produces black pigment in the coat, while a mutant gene (ee) produces red pigment. A...
An example of how genetic background affects phenotype can be seen in horses. The Extension gene in horses is responsible for their coat color. A wild-type gene (EE) produces black pigment in the coat, while a mutant gene (ee) produces red pigment. A...
7.4K