Foraging Behaviour of <i>Apis mellifera</i>L. and <i>Scapt

来源 :农业科学(英文) | 被引量 : 0次 | 上传用户:zjyeling
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
This research was carried out to evaluate the foraging behaviour of Apis mellifera and Scaptotrigona bipunctata and its relationship with environmental variables in Dombeya wallichii considering the following aspects: 1) Type of resource harvested, 2) Vis
其他文献
Inhibitory compounds are often found to be the leading cause of anaerobic reactor upset and failure since they are present in substantial concentration in waste
肝囊肿是肝脏良性囊性占位中最常见的一种,可分为单发性和多发性。多发性肝囊肿又叫多囊肝,主要是胚胎时期肝管生长过多,构成囊壁,而未与胆管连接,继发炎症、增生和液体潴留而形成
The research was done to determine the effects of paclobutrazol (PBZ) through the dose of 150 mg·L-1, on the quality of seedlings determined by the content
急性心肌梗死(以下称心梗)是心肌的缺血性坏死,是冠心病的严重类型,患者的发病与死亡多见于入院前.因此,在入院前积极救治病人,对挽救病人生命有重要意义.入院前的救治应以抢
目的比较国产替吉奥联合奥沙利铂方案(SOX)与改良FOLF0x6方案(mFOLF()X6)一线治疗局部晚期或转移性胃癌的近期疗效、远期生存及安全性。方法40例进展期胃癌患者随机分为A、B组,A组采
<正> 糖尿病(DM)病人在手术过程中的危险性明显高于非DM病人,而DM本身的并发症和代谢紊乱是外科手术的高危因素[1]。因此,要全面了解外科病人的健康状况,并配合医生做好充分
1混合性中风现状简述[1~3]中风通常分出血性和缺血性两种.而另一种即混合性中风,自黄如训等于1989年首先在国内报道以来,引起了人们的关注.但其诊断标准至今仍未统一.有人认为
The current palm oil harvesting process removes the whole fruit bunch from the palm with most of the fruit unripe, and takes the whole fruit bunch from the plan
<正> 胸痹心痛病是正气内虚,外邪(主指六淫)入侵,或是饮食不节,情绪过激,劳逸失度等病因导致心脉痹阻不畅,心脏阴阳气血失调,以膻中或胸部憋闷、疼痛为主要临床表现的疾病。