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置顶 · 从一本生物竞赛书说起
2020-3-14 15:59
从一本生物竞赛书说起 在家里翻到以前高中生物竞赛的书,《奥赛经典-生物奥林匹克教程》。这是当时指定的最重要的一本生物竞赛备考书。这本书浓缩了大学各学科知识,特点是叙述简洁,然而内容仍然不够深入无法取代大学课本。我认为整本书的内容相当于《陈阅增普通生物学》,但是应付竞赛还 ...
个人分类: 心灵驿站|2434 次阅读|没有评论
角类肥蛛的动态捕食和繁殖策略
文乐雷 2020-4-25 20:18
Sherman, P. M. (1994). The orb-web: an energetic and behavioural estimator of a spider's dynamic foraging and reproductive strategies. Animal Behaviour 48(1): 19-34. This field study analyses reasons behind the changing, nightly web dimensions of the orb-weaving spider Larini ...
个人分类: 文献摘要|3842 次阅读|没有评论
不同发育阶段、性别和种类的黑寡妇蜘蛛的耐热性上限
文乐雷 2020-4-22 16:27
不同发育阶段、性别和种类的黑寡妇蜘蛛的耐热性上限 Temperature strongly influences the physiology and behavior of ectotherms. Persistence within different environments can be limited by thermal tolerances. These thermal tolerances can also shift through life stages and differ betwe ...
个人分类: 文献摘要|2751 次阅读|没有评论
补充碳水化合物对群居昆虫子代数量、大小和品质的影响
文乐雷 2020-4-18 21:31
补充碳水化合物对群居昆虫子代数量、大小和品质的影响 Resource availability can determine an organism’s investment strategies for growth and reproduction.When nutrients are limited, there are potential tradeoffs between investing into offspring number versus individual offspring size. ...
个人分类: 文献摘要|2240 次阅读|没有评论
家犬品种中常量营养素选择的几何分析
文乐雷 2020-4-18 11:19
家犬品种中常量营养素选择的几何分析 Although many herbivores and omnivores have been shown to balance their intake of macronutrients when faced with nutritionally variable foods, study of this ability has been relatively neglected in carnivores, largely on the assumption that prey are less var ...
个人分类: 文献摘要|1544 次阅读|没有评论
成年家猫大量营养素选择的几何分析
文乐雷 2020-4-18 11:01
成年家猫大量营养素选择的几何分析 We report feeding studies on adult domestic cats designed to disentangle the complex interactions among dietary protein, fat and carbohydrate in the control of intake. Using geometric techniques that combine mixture triangles and intake plots from the geomet ...
个人分类: 文献摘要|1334 次阅读|没有评论
狼蛛肌肉中的酶活性模式
文乐雷 2020-4-15 14:07
狼蛛肌肉中的酶活性模式 Enzymes of the glycolytic pathway, of the citric acid cycle, and of related metabolic reactions have been measured in muscles of the femur and prosoma, and in the heart of Cupiennius . The data are summarized in Fig. 1 and in Table 1. The energy yield ...
个人分类: 文献摘要|1406 次阅读|没有评论
一种络新妇蜘蛛与食物量相关的聚集现象
文乐雷 2020-4-13 18:03
一种络新妇蜘蛛与食物量相关的聚集现象 Females of the species, Nephila clavipes (L.),sometimes build their webs in interconnected clusters. Aggregations in a Peruvian population of this spider were located in areas of high insect activity. This locale enabled individuals in ag ...
个人分类: 文献摘要|1819 次阅读|没有评论
一种巨蟹蛛雌性生殖周期中脂质动态的初步研究
文乐雷 2020-4-13 07:48
一种巨蟹蛛雌蛛生殖周期中脂质动态的初步研究 Spiders are valuable to humans, not only for their role in health but also as biologic pest controllers. In oviparous species, lipids are the main energy source for embryo development and the growth and survival of larvae. Using the spider P ...
个人分类: 文献摘要|1552 次阅读|没有评论
Bt棉田狼蛛的猎物遭遇和猎物营养含量是否影响猎物选择
文乐雷 2020-4-10 08:53
Bt棉田狼蛛的猎物遭遇和猎物营养含量是否影响猎物选择 Wolf spiders are abundant and voracious predators at the soil-plant interface in cotton crops. Among other prey, they attack late-instar larvae of the cotton bollworm Helicoverpa spp ., an economically important pest. Consequently, ...
个人分类: 文献摘要|1476 次阅读|没有评论

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