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| 1 | High resolution tracking of adult horseshoe crabs Limulus polyphemus in a New Hampshire estuary using fixed array ultrasonic telemetry显示文摘While several studies have documented the large-scale,seasonal movements of horseshoe crabs,little is known abouttheir fine-scale,daily movement patterns.In this study we used a fixed array ultrasonic telemetry system to track the movementsof 12 male and 16 female horseshoe crabs in the Great Bay estuary,New Hampshire.Data were obtained during the mating season,as well as during the remainder of the summer and fall,in the years 2005-2008.During the mating season animals were often,but not always,active during the high tides when they were approaching and leaving the spawning beaches.On average,bothmales and females approached mating beaches during 33% of the high tides they experienced and they most often made the transitionfrom being inactive to active during the last two hours of an incoming tide.From April-October horseshoe crabs were significantlymore active during high tide periods vs low tide periods,with no clear preference for diurnal vs nocturnal activity.Afterthe mating season ended horseshoe crabs continued to move into shallower water at high tide and then return to deeper water atlow tide.Observations by SCUBA divers suggest that during these excursions into the mudflats horseshoe crabs were digging pitsin the sediment while foraging for food.Thus,the tidal rhythm of activity that has been so well documented during the matingseason probably persists into the fall,and primarily involves foraging | Winsor H.WATSON Ⅲ Christopher C.CHABOT | 2010 | Current Zoology2010，56，5： | 8 |
| 2 | Seasonal movements of American horseshoe crabs Limulus polyphemus in the Great Bay Estuary,New Hampshire (USA)显示文摘The goal of this study was to determine the year round movement patterns of American horseshoe crabs,Limuluspolyphemus,in the Great Bay Estuary,New Hampshire (USA) by using acoustic telemetry to track the movements of 37 adultLimulus,for periods ranging from 2 to 31 months.During the winter (December-March) horseshoe crabs moved very little.In thespring,when water temperatures exceeded 11℃,horseshoe crabs moved at least 1 km further up into the estuary to shallowersubtidal areas about a month prior to spawning.The mean distance traveled during spring migrations was 2.6 ± 0.5 (n=20) km upthe estuary.Mating occurred in May and June and during these months animals spent most of their time in shallow subtidal areasadjacent to mating beaches.In the summer (July-August),animals moved 1.5 ± 0.5 (n=26) km down the estuary,towards theocean,and ranged widely,using extensive portions of the estuary.In the fall (September-November) movement was more limited(0.5 ± 0.5 km;n = 24) while animals settled into wintering locations,where they remained until spring.The mean annual linearrange for all animals was 4.5 ± 0.3 km (n =35) and the maximum distance traveled by an individual horseshoe crab within oneyear was 9.2 km.There was no evidence that any of the horseshoe crabs tracked during this study left the | Susanne Y SCHALLER Christopher C.CHABOT Winsor H.WATSON Ⅲ | 2010 | Current Zoology2010，56，5： | 6 |
| 3 | Circatidal rhythms of locomotion in the American horseshoe crab Limulus polyphemus: Underlying mechanisms and cues that influence them显示文摘While eye sensitivity in the American horseshoe crab Limulus polyphemus has long been known to be under the controlof an endogenous circadian clock, only recently has horseshoe crab locomotion been shown to be controlled by a separateclock system. In the laboratory, this system drives clear activity rhythms throughout much of the year, not just during the matingseason when horseshoe crabs express clear tidal rhythms in the field. Water temperature is a key factor influencing the expressionof these rhythms: at 17℃ tidal rhythms are expressed by most animals, while at 11℃ expression of circatidal rhythms is rarelyseen, and at 4℃ rhythms are suppressed. Neither long (16:8 Light:Dark) nor short (8:16) photoperiods modify this behavior atany of these temperatures. Synchronization of these circatidal rhythms can be most readily effected by water pressure cycles bothin situ and in the lab, while temperature and current cycles play lesser, but possibly contributory, roles. Interestingly, Light:Darkcycles appear to have synchronizing as well as 'masking' effects in some individuals. Evidence that each of two daily bouts ofactivity are independent suggests that the Limulus circatidal rhythm of locomotion is driven by two (circalunidian) clocks, eachwith a period of 24.8h. While the anatomical locations of either the circadian clock, that drives fluctuations in visual sensitivity, orthe circatidal clock, that controls tidal rhythms of locomotion, are currently unknown, preliminary molecular analyses have shownthat a 71 kD protein that reacts with antibodies directed against the Drosophila PERIOD (PER) protein is found in both the protocerebrumand the subesophageal | Christopher C.CHABOT Winsor H.WATSON Ⅲ | 2010 | Current Zoology2010，56，5： | 5 |
| 4 | Male horseshoe crabs Limulus polyphemus use multiple sensory cues to locate mates显示文摘The use of multisensory cues to locate mates can increase an organism's success by acting as a back-up plan whenone system fails, by providing additional information to the receiver, and by increasing their ability to detect mates using sensesthat have different ranges in a variable aquatic environment. In this contribution we review the sensory cues that male horseshoecrabs Limulus polyphemus are known to use when locating mates and then provide new data that shed light on this subject. Duringthe breeding season, females migrate into shore during high tides to spawn. Males attach to females as they approach thebeach or are attracted to pairs already spawning. Vision is well established as an important cue in attracting males. Althoughchemoreception is well known in other marine arthropods, and horseshoe crabs have the anatomy available, there are few studieson chemical cues in this species. Experiments are presented here that provide evidence for chemical cue use. We show that the attraction,and retention, of attached and satellite males to actively spawning females and mating pairs involves multimodal | Katharine M.SAUNDERS H.Jane BROCKMANN Winsor H.WATSON Ⅲ Steven H.JURY | 2010 | Current Zoology2010，56，5： | 3 |
| 5 | Clinical trial: short‐term effects of combination of satavaptan, a selective vasopressin V2 receptor antagonist, and diuretics on ascites in patients with cirrhosis without hyponatraemia – a randomized, double‐blind, placebo‐controlled study显示文摘 | P.GINèS F.WONG H.WATSON R.TERG R.BRUHA J.‐P.ZARSKI F.DUDLEY | 2010 | Alimentary Pharmacology & Therapeutics2010，，8： | 1 |
| 6 | 艾柯夫和系统思维给我们的启示显示文摘我们的质量运动忽略了某些伟大思想者的一些重要理念,这些人曾间接影响了质量运动的发展。我们没有把他们看作质量圈里的人,因此也没有将他们的理念纳入质量知识体系,这使我们的视角受到了局限。 | 格里高利·H·沃森(Gregory H.Watson) 费杨(译) | 2010 | 中国认证认可2010，，11： | 0 |
| 7 | 质量管理研究—渊博知识的理论与实践显示文摘管理系统必须依据其革命性思维过程而发展,灵活、动态地改进质量是管理组织中的正能量,以寻求提高或较好地演绎出好的结果.可靠性是组织的一个反作用力,试图消除或减少失败的机率.创新是不同于过去的思维和行为过程,有时甚至需要破坏过去以便创造出更有利的未来.文章首先阐述质量和可靠性如何支持组织对未来的决策过程,使战略思维转化为战略实施,进而改变组织的运行方式.然后说明质量专业人员如何设计和发展质量体系,以确保及时实现更可靠和反应更灵敏组织的创新.用战略的方式设计和运行质量管理体系为我们提供了提升组织竞争力和增强顾客体验的手段. | Gregory H.Watson 王兰州 | 2016 | 中国计量学院学报2016，27，1： | 0 |
| 8 | Horseshoe crab behavior:Patterns and processes显示文摘1 Introduction The Ameriean horseshoe erab Limulus PolyPhemus has long served as a souree of delight and insPiration to a broad eross-seetion of seientists-from naturalists to neuroseientists.Periodieally, for the last hundred years or so,new discoveries have been made | Christopher C.Chabot Winsor H.Watson Ⅲ | 2010 | Current Zoology2010，56，5： | 0 |
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