基于红外相机技术对乌岩岭国家级自然保护区地面鸟兽的初步调查

<正>乌岩岭国家级自然保护区位于浙江省南部泰顺县境内,地理位置27°20'52'–27°48'39'N,119°37'08'–119°50'00'E,是浙江省面积最大的保护区,包括北、南两个片区,北片区域为主区域,位于泰顺县的西北部。保护区总面积18,861.5 ha,其中核心区面积4,469 ha、缓冲区面积2,053 ha、实验区面积12,339.5 ha(郑方东,2014)。多年来由于保护区自身能力不足,鸟类和兽类     

运用红外相机对鼎湖山森林动态监测样地鸟兽的初步调查

<正>广东鼎湖山国家级自然保护区(简称鼎湖山保护区)地处亚热带季风气候区南缘(23°09'21'–23°11′30″N,112°30′39″–112°33′41″E),面积1,155ha。该区属低山丘陵地貌,是热带向亚热带的过渡区,较好地保存了南亚热带常绿阔叶林等地带性植被,群落结构相对复杂,动植物种类丰富(孔国辉等,1998)。自1956年保护区设立后,陆生脊椎动物资源的调查和研究相对较少,仅见关于蝙蝠新记录(吴毅和彭洪源,2005)和鸟类多样性与生境类型之     

运用红外相机和样线法调查黑龙江双河自然保护区兽类资源

<正>双河国家级自然保护区位于黑龙江省大兴安岭北部(124°52′48″–125°32′03″E,52°54′25″–53°12′08″N),面积88,849 ha,属于森林、湿地生态系统类型自然保护区,也是我国最北的国家级自然保护区。保护区始建于2002年,并于2008年晋升为国家级自然保护区,保存着我国较大面积的原始兴安落叶松(Larix gmelinii)林和樟子松(Pinus sylvestris var.mongolica)林(程继臻,1996)。保护区野生动植物资源丰富,已记录高等维管植物416种,鸟类42科180     

古田山森林动态监测样地内鸟兽种群动态的红外相机监测

<正>浙江古田山国家级自然保护区(简称古田山保护区)地处浙江省西部,位于118°03'49.7"–118°11'12.2"E,29°10'19.4"–29°17'41.4"N,总面积为8,107ha。古田山保护区分布着典型的以甜槠(Castanopsis eyrei)、木荷(Schima superba)和青冈栎(Cyclobalanopsis glauca)为主的中亚热带常绿阔叶林天然地带性植被,保存有年龄较大的典型常绿阔叶林及大量的珍稀特有生物种类(于明坚等,2001)。古田山保护区亦是黑麂(Muntiacus crinifrons)在全国两个     

利用红外相机调查青海三江源国家级自然保护区中铁—军功分区兽类资源

正三江源国家级自然保护区中铁-军功分区位于青海省玛沁、同德、兴海3县交界处的黄河干流峡谷地带(99°14′–101°13′E,34°18′–35°29′N),是一个以保护和恢复区域自然生态环境,维持和增强水源涵养能力,保护生物多样性为主要功能的自然保护区,总面积77.1万ha。全区以山地地貌为主,海拔2,900–5,126 m,最高峰为阿尼玛卿雪山。该区属青藏高原气候系统,为典型的高原大陆性气候,年均     

陕西省子午岭国家级自然保护区和桥山省级自然保护区及周边地区鸟兽的红外相机监测

正子午岭国家级自然保护区(35°45'–36°01'N,108°30'–108°41'E)位于陕西和甘肃两省交界的子午岭陕西境内,占地面积406.21 km~2,海拔1,100–1,687 m,地带性植被类型属华北暖温带落叶阔叶林。保护区内春季多风,夏季炎热,秋季多雨,冬季干旱。年均降水量588.7 mm,且主要集中在6–9月。年平均气温9.2℃,气温年较差25.9℃(刘淑明,     

浅谈西双版纳生物圈保护区建立专门管理机构与有效管理

西双版纳生物圈保护区位于云南省南部的西双版纳傣族自治州境内,其地理位置为北纬20°10′～20°24′,东经100°16′～101°50′,是我国建立最早的自然保护区之一。该保护区是以保护热带雨林、季雨林和热带珍稀野生动物种群为主要目的的一个大型综合性自然保护区,是我国热带森林生态系统保持比较完整、生物资源极为丰富、面积最大的热带原始林区,也是我国亚洲象种群数量最多、分布最广的一片自然保护区。保护区始建于1959年,最早划定的自然保护范围为勐养、勐仑、勐腊、大勐龙四片保护区,总面积为5万余公顷(85.85万亩)。1980年经云南省委、省政府批准调整扩大了自然保护区的范围,使西双版纳自然保护区的总面积增加到了24万     

内蒙古鸟类新纪录——鸥鸽

<正>2014年12月2日,笔者在内蒙古自治区阿拉善盟额济纳旗进行全国第二次陆生野生动物资源调查期间,于达拉呼布镇东北7 km(101°11'51″E,42°06'38″N,海拔917 m)的农田发现约100只欧鸽Columba oenas正在休息;12月3日距此处北3 km左右的引水渠(101°11'23.96″E,42°06'47.50″N,海拔921 m)发现约150只欧鸽,多数个体在取食、饮水,少数在飞翔。2017年3月21日—5月30日,笔者在达来呼布镇多处(101°0'55.17″E,42°04'18.05″N;101°10'27.28″E,41°59'3.29″N;101°09'54.72″E,     

湖北七姊妹山国家级自然保护区

<正>保护区简介湖北七姊妹山国家级自然保护区地处鄂西南武陵山区恩施州宣恩县境内,始建于1990年,2002年批准建立省级自然保护区,2008年晋升为国家级自然保护区。保护区北与恩施市河溪村交界,东北属宣恩县椿水营乡管辖,东与鹤峰县太平镇接壤,南与湖南八大公山国家级自然保护区核心区毗连,西与宣恩县长潭乡和沙道沟镇相连,地处东经109°38'30~109°47'00",北纬29°39'30"~30°05'15"。主要保护以大面积原始珙桐群落为主的珍稀植物和以林麝、黑熊、苏门羚等为主的珍稀动物及其栖息环境的森林生态系统,和以保存最完好的970ha的亚高山泥炭藓沼泽湿地为主的湿地生态系     

天津鸟类新纪录——水雉

<正>2014年6月2日至6月5日,笔者在天津大黄堡湿地自然保护区(39°26'39.82″N,117°15'03.81″E,海拔5 m)观察到水雉Hydrophasianus chirurgus 1只,并拍照记录;同年6月30日至31日,在天津北大港湿地自然保护区独流减河(38°48'09.47″N,117°24'40.29″E,海拔5 m)再次观察到水雉1只。两次所见水雉均为繁殖羽;头顶、面颊、喉和前颈白色,后枕黑色并往两侧延     

Crystal structure, detonation performance, and thermal stability of a new polynitro cage compound: 2, 4, 6, 8, 10, 12, 13, 14, 15-nonanitro-2, 4, 6, 8, 10, 12, 13, 14, 15-nonaazaheptacyclo [5.5.1.13, 11. 15, 9] pentadecane

A new polynitro cage compound 2, 4, 6, 8, 10, 12, 13, 14, 15-nonanitro-2, 4, 6, 8, 10, 12, 13, 14, 15-nonaazaheptcyclo [5.5.1.1(3,11).1(5,9)] pentadecane (NNNAHP) was designed in the present work. Its molecular structure was optimized at the B3LYP/6-31 G(d,p) level of density functional theory (DFT) and crystal structure was predicted using the Compass and Dreiding force fields and refined by DFT GGA-RPBE method. The obtained crystal structure of NNNAHP belongs to the P-1 space group and the lattice parameters are a = 9.99 ?, b = 10.78 ?, c = 9.99 ?, α = 90.01°, β = 120.01°, γ = 90.00°, and Z = 2, respectively. Based on the optimized crystal structure, the band gap, density of state, thermodynamic properties, infrared spectrum, strain energy, detonation characteristics, and thermal stability were predicted. Calculation results show that NNNAHP has detonation properties close to those of CL-20 and is a high energy density compound with moderate stability.     

Relations of the Al,B, Ba,Br, Ca,Cl, Cu,Fe, K,Li, Mg,Mn, Na,P, S,Si, Sr,and Zn mass fractions to morphometric parameters in pediatric and nonhyperplastic young adult prostate glands

The variation with age of the 18 trace element mass fractions and some histological characteristics of intact prostate glands of 50 subjects aged 0–30 years was investigated by instrumental neutron activation analysis, inductively coupled plasma atomic emission spectrometry, and a quantitative morphometric analysis. Mean values ± standard error of the mean (M ± SΕΜ) for the mass fractions (in milligrams per kilogram wet tissue) of these trace elements in pre-puberty were: Al 28.5 ± 9.0, B 0.40 ± 0.11, Ba 1.48 ± 0.44, Br 10.5 ± 1.5, Ca 241 ± 30, Cl 3,203 ± 278, Cu 3.51 ± 0.89, Fe 33.7 ± 4.1, K 2,364 ± 145, Li 0.020 ± 0.004, Mg 153 ± 23, Mn 0.46 ± 0.06, Na 2,286 ± 130, P 1,391 ± 100, S 1,698 ± 132, Si 62 ± 11, Sr 0.38 ± 0.08, and Zn 27.6 ± 2.3. During puberty and postpuberty, when there is a significant increase in circulating androgens, the mean values were: Al 7.2 ± 1.4, B 0.21 ± 0.05, Ba 0.25 ± 0.06, Br 5.8 ± 1.0, Ca 433 ± 81, Cl 2,314 ± 201, Cu 1.77 ± 0.13, Fe 20.9 ± 1.6, K 2,585 ± 118, Li 0.0088 ± 0.0014, Mg 232 ± 27, Mn 0.34 ± 0.04, Na 1,875 ± 107, P 1,403 ± 98, S 1,673 ± 73, Si 22.2 ± 3.1, Sr 0.22 ± 0.03, and Zn 93.3 ± 8.9. Mean values (M ± SΕΜ) of percent volumes (%) of the stroma, epithelium and lumen in the prostate before puberty were 73.4 ± 2.6, 20.4 ± 1.7, and 4.45 ± 0.94, respectively, versus 46.5 ± 2.5, 38.5 ± 1.9, and 14.9 ± 1.2 during puberty and postpuberty. This work’s results confirm that the Zn mass fraction in prostate tissue is an androgen-dependent parameter. For the first time it has been demonstrated that the glandular lumen is a main pool of Ca, Mg, and Zn accumulation and that the stroma is a main pool of Al, B, Ba, Br, Cl, Cu, Fe, Mn, Na, and Si accumulation in the normal human prostate, for the age range 0–30 years. It was concluded that the Ca, Mg, and Zn binds tightly within the prostatic fluid, because the volume of glandular lumen reflects the volume of prostatic fluid.     

Distribution of N,P, K,Ca, Mg,S, Zn,Fe, Mn and Cu in groundnut

Summary Concentration of N, P, K, Ca, Mg and S in summer groundnut crop was higher than in kharif while Zn, Fe, Mn and Cu contents were higher in summer crop. Kernel's N, P and Zn; Leaflet's Ca and Mn; Stem's K and Fe; Root's S and Cu and Petiole's Mg contents were highest. Shell's N, P, K, Mg, S, Zn and Cu; Kernel's Ca, Fe and Mn contents were the least. N, P, K, S, Zn and Cu concentrations decreased linearly as the crop grew. Ca, Mg, Fe and Mn concentrations did not display any distinct pattern. Ca concentration was positively correlated with pod yield in both the seasons.     

Simultaneous measurement of the trace elements Al, As, B, Be, Cd, Co, Cu, Fe, Li, Mn, Mo, Ni, Rb, Se, Sr, and Zn in human serum and their reference ranges by ICP-MS

The goal of this article was to establish reference ranges of the concentration of trace elements in human serum and to compare these results with those reported by other authors. We describe the sample preparation and measurement conditions that allow the rapid, precise, and accurate determination of Al, As, B, Be, Cd, Co, Cu, Fe, Li, Mn, Mo, Ni, Rb, Se, Sr, and Zn in human serum samples (n=110) by inductively coupled plasma-mass spectrometry (ICP-MS). Accuracy and precision were determined by analyzing three reconstituted reference serum samples by comparison with other methods and by the standard addition procedure. The advantages of the ICP-MS method include short time of analysis of the elements mentioned, low detection limit, high precision, and high accuracy. Disadventages include a high risk of contamination due to the presence of some of the elements of interest in the environment, the relatively delicate sample handling, and the high cost of the equipment.     

The Effect of Age and Gender on Al, B, Ba, Ca, Cu, Fe, K, Li, Mg, Mn, Na, P, S, Sr, V, and Zn Contents in Rib Bone of Healthy Humans

The effect of age and gender on major, minor, and trace element contents in the intact rib bone of 80 relatively healthy 15–55-year-old women and men was investigated. Contents or upper limit of contents of 16 chemical elements in the rib bone were determined by inductively coupled plasma atomic emission spectrometry (ICP-AES). Mean values (M?±?SΕΜ) for the mass fraction of Ba, Ca, Cu, Fe, K, Li, Mg, Na, P, S, Sr, and Zn (milligram per kilogram of dry bone) were as follows: 2.54?±?0.16, 171,400?±?4,050, 1.35?±?0.22, 140?±?11, 1,874?±?71, 0.049?±?0.011, 2,139?±?38, 5,378?±?88, 75,140?±?1,660, 1,881?±?51, 291?±?20, and 92.8?±?1.5, respectively. The upper limits of contents of Al, B, Mn, and V were <7.20, <0.65, <0.36, and <0.03, respectively. Statistically significant tendency for the Ca, Mg, and P content to decrease with age was found in the human rib bone, regardless of gender. The mass fraction of Fe in the male rib bone increases with age. It was shown that higher Ca, Mg, Na, P, and Sr mass fractions as well as lower Fe content were typical of female ribs as compared to those in male ribs.     

Reference values for the concentrations of As,Cd, Co,Cr, Cu,Fe, I,Hg, Mn,Mo, Ni,Pb, Se,and Zn in selected human tissues and body fluids

This report attempts to formulate reference ranges of elemental concentrations for 15 trace elements in selected human tissues and body fluids. A set of samples consisting of whole blood, blood serum, urine, milk, liver, and hair were chosen and considered for 15 elements of biological significance: As, Cd, Co, Cr, Cu, F, Fe, I, Hg, Mn, Mo, Ni, Pb, Se, and Zn. The results represent wholly or partially data received from 40 countries of the global regions of Africa, Asia, Europe, North, South, and Central America, Australia, and New Zealand. This survey, even if qualitative, has been useful in demonstrating certain trends of trace-element scenarios around the world. It is of course recognized that both diet and environment exert a strong influence on the distribution pattern of several elements, such as As, Cd, Mn, Pb, Se, and Zn. A limited comparison of the available information on soil status of different countries reflected some interesting associations for elements, such as Mn and Zn. Importantly, this study revealed that only a few countries were in a position to identify a reasonable amount of data on samples requested for this project. Regretably, for a number of countries, any dependable data for even such essential elements as Cu, Fe, and Zn were not available. In view of the nutritional importance of many elements, the time is ripe for concerted efforts by intergovernmental agencies to initiate investigations or commission task forces/projects to generate reliable reference data for selected global regions, which sadly lack data of any kind at present.     

Potential Compounds for Oral Cancer Treatment: Resveratrol,Nimbolide, Lovastatin,Bortezomib, Vorinostat,Berberine, Pterostilbene,Deguelin, Andrographolide,and Colchicine

Oral cancer is one of the main causes of cancer-related deaths in South-Asian countries. There are very limited treatment options available for oral cancer. Research endeavors focused on discovery and development of novel therapies for oral cancer, is necessary to control the ever rising oral cancer related mortalities. We mined the large pool of compounds from the publicly available compound databases, to identify potential therapeutic compounds for oral cancer. Over 84 million compounds were screened for the possible anti-cancer activity by custom build SVM classifier. The molecular targets of the predicted anti-cancer compounds were mined from reliable sources like experimental bioassays studies associated with the compound, and from protein-compound interaction databases. Therapeutic compounds from DrugBank, and a list of natural anti-cancer compounds derived from literature mining of published studies, were used for building partial least squares regression model. The regression model thus built, was used for the estimation of oral cancer specific weights based on the molecular targets. These weights were used to compute scores for screening the predicted anti-cancer compounds for their potential to treat oral cancer. The list of potential compounds was annotated with corresponding physicochemical properties, cancer specific bioactivity evidences, and literature evidences. In all, 288 compounds with the potential to treat oral cancer were identified in the current study. The majority of the compounds in this list are natural products, which are well-tolerated and have minimal side-effects compared to the synthetic counterparts. Some of the potential therapeutic compounds identified in the current study are resveratrol, nimbolide, lovastatin, bortezomib, vorinostat, berberine, pterostilbene, deguelin, andrographolide, and colchicine.     

New Coleoptera records from New Brunswick, Canada: Stenotrachelidae, Oedemeridae, Meloidae, Myceteridae, Boridae, Pythidae, Pyrochroidae, Anthicidae, and Aderidae

We report 19 new species records for the faunal list of Coleoptera in New Brunswick, Canada, six of which are new records for the Maritime provinces, and one of which is new Canadian record. We also provide the first recent records for five additional species in New Brunswick. One new species of Stenotrachelidae, Cephaloon ungulare LeConte, is added to the New Brunswick faunal list. Additional records are provided for Cephaloon lepturides Newman, as well the first recent record of Nematoplus collaris LeConte. Two species of Oedemeridae, Asclera puncticollis (Say) and Asclera ruficollis (Say), are newly reported for New Brunswick, and additional locality and bionomic data are provided for Calopus angustus LeConte and Ditylus caeruleus (Randall). The records of Ditylus caerulus are the first recent records for the province. Three species of Meloidae, Epicauta pestifera Werner, Lytta sayi LeConte, and Meloe augustcollis Say are reported the first time for New Brunswick; Epicauta pestifera is newly recorded in Canada. Lacconotus punctatus LeConte and the family Mycteridaeis newly recorded for New Brunswick. The first recent records of Borus unicolor Say (Boridae) are reported from the province. One new species of Pythidae, Pytho siedlitzi Blair, and the first recent records of Pytho niger Kirby are added to the faunal list of New Brunswick. Three species of Pyrochroidae are newly reported for the province, including Pedilus canaliculatus (LeConte) and Pedilus elegans (Hentz), which are new for the Maritime provinces. Five species of Anthicidae and the first recent record of Anthicus cervinus LaFerté-Sénectére are newly reported for New Brunswick. Anthicus melancholicus LaFerté-Sénectère, Sapintus pubescens (LaFerté-Sénectère), Notoxus bifasciatus (LeConte), and Stereopalpus rufipes Casey are new to the Maritime provinces faunal list. Ambyderus granularis (LeConte) is removed from the faunal list of the province. Three species of Aderidae, Vanonus huronicus Casey, Zonantes fasciatus (Melsheimer), and Zonantes pallidusWerner, are newly recorded for New Brunswick; Zonantes fasciatus and Vanonus huronicus are new for the Maritime provinces' faunal list. Collection data, bionomic data, and distribution maps are presented for all these species.