Effects of salinity, carbonate alkalinity, and pH on physiological indicators of nutrition transporter for potential habitat restoration of amphipod Eogammarus possjeticus

2020 ◽  
Vol 38 (6) ◽  
pp. 1925-1935
Author(s):  
Suyan Xue ◽  
Yuze Mao ◽  
Jinye Wang ◽  
Jianguang Fang ◽  
Fazhen Zhao
Keyword(s):  
Habitat Restoration ◽  
Carbonate Alkalinity ◽  
Physiological Indicators ◽  
Potential Habitat

scholarly journals Potential habitat corridors and restoration areas for the black-and-white snub-nosed monkey Rhinopithecus bieti in Yunnan, China

Oryx ◽  
2014 ◽  
Vol 49 (4) ◽  
pp. 719-726 ◽  
Author(s):  
Li Li ◽  
Yadong Xue ◽  
Gongsheng Wu ◽  
Diqiang Li ◽  
Patrick Giraudoux
Keyword(s):  
Human Disturbance ◽  
Habitat Restoration ◽  
Public Awareness ◽  
Population Pressure ◽  
Genetic Isolation ◽  
Least Cost Path ◽  
Rhinopithecus Bieti ◽  
Black And White ◽  
Potential Habitat ◽  
Cost Paths

AbstractThe black-and-white snub-nosed monkey Rhinopithecus bieti is endemic to China, where its population is fragmented into 15 isolated groups and threatened despite efforts to protect the species. Here we analyse possible habitat connectivity between the groups reported in Yunnan, using genetic, least-cost path and Euclidean distances. We detect genetic isolation between the northern and southern groups but not among the northern groups. We show that genetic distance is better explained by human disturbance and land-cover least-cost paths than by Euclidian distance. High-quality habitats were found to be more fragmented in the southern part of the study area and interspersed with human-influenced areas unsuitable for black-and-white snub-nosed monkeys, which may explain the genetic isolation of the southern groups. Potential corridors are identified based on the least-cost path analysis, and seven sensitive areas are proposed for restoration. We recommend (1) that restoration is focused on the current range of the monkeys, with efforts to reduce human disturbance and human population pressure and increase public awareness, and (2) the development of a long-term plan for habitat restoration and corridor design in the areas between groups.

Enhancing fauna habitat in grazed native grasslands and woodlands: use of artificially placed log refuges by fauna

2004 ◽  
Vol 31 (1) ◽  
pp. 65 ◽  
Author(s):  
Damian R. Michael ◽  
Ian D. Lunt ◽  
Wayne A. Robinson
Keyword(s):  
Native Species ◽  
Habitat Restoration ◽  
Structural Characteristics ◽  
Survey Method ◽  
Potential Habitat ◽  
Native Grasslands ◽  
Restoration Technique ◽  
Arid Grasslands ◽  
Different Characteristics

To assess whether faunal habitat can be enhanced by using artificial refuges, and whether different species preferentially use refuges with differing structural characteristics, we monitored faunal usage of artificially placed log refuges in grazed semi-arid grasslands and woodlands in Terrick Terrick National Park in Victoria. In total, 1131 log refuges were placed at 91 sites across major vegetation types in the reserve. The effect of refuge age was assessed by comparing faunal usage between new refuges and 271 old refuges that had lain in situ for more than 15 years. Refuges were surveyed for fauna monthly between June 2000 and January 2001. Different species preferred refuges with different characteristics. Overall terrestrial fauna, and three native species (Diplodactylus tessellatus, Morethia boulengeri and Suta suta) in particular, were significantly more abundant beneath old refuges, whereas the introduced Mus musculus was significantly more abundant beneath new refuges. Five species (Crinia signifera, Morethia boulengeri, Menetia greyii, Sminthopsis crassicaudata and Suta suta) were significantly more abundant beneath Eucalyptus logs that were large, wide, partially decayed, contained many holes and/or covered many subterranean invertebrate holes. This study demonstrates the effectiveness of installing log refuges in grassy landscapes as a survey method for vertebrate fauna and as a potential habitat-restoration technique to help conserve grassland fauna.

Quantitative evaluation of slow fluctuations of the volume of liquids inside cranial cavity

2019 ◽  
pp. 51-63 ◽  
Author(s):  
Yu. E. Moskalenko ◽  
T. I. Kravchenko ◽  
Yu. V. Novozhilova
Keyword(s):  
Brain Activity ◽  
Sampling Rate ◽  
Age Groups ◽  
Pulse Amplitude ◽  
Cranial Cavity ◽  
Current Frequency ◽  
Physiological Indicators ◽  
Physiological Phenomenon ◽  
Long Time ◽  
Manned Space

Introduction. Slow fl uctuations in the volume and pressure of liquids in the cranial cavity have been known for a long time and have been studied for more than 100 years. However, their quantitative indicators and their practical signifi cance remain unclear until now due to the diffi culties of research. Nevertheless, it was found that they were connected with the brain activity, which made it possible to use them as one of the physiological indicators in studying the problems of manned space fl ights. Goal of research — to study the possibility of using spectral analysis of slow fl uctuations of the volume of liquids inside the cranium in order to realize the quantitative assessment of their indicators with the use of modern microelectronics and computer technology.Materials and methods. In order to solve this problem we created a complex, in which rheoencephalograph-RG-01 («Mizar») was used as a converter-modulator of physiological signals into electrical oscillations. The device was connected with the ADC (Firm «ADIstrument»), Its software allows to calculate the spectrogram with a sampling rate of 128 kHz. Studies were conducted on volunteers of younger, middle and older age groups. The respiratory rate and the electrocardiography were registered together with the rheoencephalography. Electrodes were fi xed on the volonteers′ fronto-mastoid area.Results. Slow fl uctuations the cranium representan independent physiological phenomenon. The most considerable and valuable were fl uctuations in 0,1–0,3 Hz. It was found that current frequency of 100 or 200 kHz and frequency for quantization of 80–100 kHz was optimal for performing their spectrograms. The structure of such diagram consists of 4–7 peaks with amplitude of 0,4–0,7 units compared with REG pulse amplitude. They depend on age and are characterized by hemispheric asymmetry. Spectral diagrams of slow fl ucation inside cranium are representing inpendent physiological phenomenon. These fl uctuations are not connected by common origin, with heart activity and respiration. They are connected by nature with brain activity and PRM.Conclusion. Can be an informative method for diagnostic and assessment of general status of osteopathic patients well as for the assessment of mechanisms of action of some osteopathic techniques.

HABITAT RESTORATION

1994 ◽  
Vol 12 (2) ◽  
pp. 215.2-215
Keyword(s):  
Habitat Restoration

Criteria for estimation of labor by degree

2020 ◽  
pp. 826-826
Author(s):  
O. I. Yushkova ◽  
I. V. Bukhtiyarov
Keyword(s):  
Functional State ◽  
Working Conditions ◽  
Retrospective Data ◽  
Physiological Indicators ◽  
Scientific Substantiation

The article discusses the results of the production of physiological and hygienic studies and analysis of retrospective data for the scientific substantiation of individual physiological indicators in assessing and controlling the level of the functional state and class of working conditions

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