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Wetland water quality assessment in cold and dry regions (Case study: Choghakhor wetland, Iran)

, using selected trophic and taxonomic metrics as state variables, Ecol. Modell. 207: 109–127. Chawaka S.N., Boets P., Mereta S.T.T., Ho L.L.M., Goethals P., 2018, Using macroinvertebrates and birds to assess the environmental status of wetlands across different climatic zones in Southwestern Ethiopia, Wetlands 38(4): 653–665. Czeniawska-Kusza I., 2005, Comparing modified Biological Monitoring Working Party score system and several biological indices based on macroinvertebrates for water quailty assessment, Limnologica 35(3): 169–176. Davis J., Horwitz

Open access
The impact of cattle drinking points on aquatic macroinvertebrates in streams in south-east Ireland

macroinvertebrates to CDPs, with some sites even showing an increase in abundance and diversity of macroinvertebrates downstream of access points. The objectives of this study were to assess the local-scale impact of CDPs on water quality parameters (i.e. macroinvertebrates and water chemistry metrics) and investigate whether streams with higher water quality scores are more likely to be adversely impacted by cattle access than those with lower water quality scores. It is anticipated that lessons learned from this study will help improve the targeting of future cattle exclusion

Open access
Low-density genotype panel for both parentage verification and discovery in a multi-breed sheep population

. An additional one SNP was discarded, which had poor genotype cluster resolution dictated by a GenTrain score <0.55. The GenTrain score is a clustering algorithm propriety to Illumina Inc. and is useful as a measure of the distinction between genotype calls for a given SNP. Berry et al . (2016) evaluated the reproducibility of genotypes from the same SNP locus generated on technical duplicate samples for the same Illumina platform or different Illumina platforms. A total of 1,400 of the remaining SNPs in the present study, reported by Berry et al . (2016) to

Open access
Vestnik Zoologii
The Journal of National Academy of Sciences of Ukraine, Schmalhauzen Institute of Zoology
Open access
Methods to describe the botanical composition of vegetation in grassland research

iterative adaptation of the estimate, which in total should account for 100% when adding all estimated values and iii) by the non-additive properties of these scores, which do not allow for the computation of meaningful sums or means. In such cases, the mid-point of the corresponding interval of the score is often imputed (i.e., a percent value of 62.5 is assumed instead of a score corresponding to an interval from 50 to 75%). It is straightforward that the sum of the assumed values of all species cannot reproduce the sum of the real values of the species. They are just a

Open access
Exploratory analyses of migration timing and morphometrics of the Dunnock (Prunella modularis)

Abstract

Ornithological studies often rely on large temporal scale ringing datasets as source of information. However, basic descriptive statistics of collected data are rarely provided. In order to fill this gap, here we present the second item of a series of exploratory analyses of migration timing and body size measurements of the most frequent Passerine species at a ringing station located in Central Hungary (1984–2015). First, we give a concise description of foreign ring recoveries of the Dunnock in relation to Hungary. We then shift focus to data of 11,617 individuals deriving from the ringing station, where birds have been trapped, handled and ringed with standardized methodology since 1984. Timing is described through annual and daily capture and recapture frequencies and their descriptive statistics. We show annual mean arrival dates within the study period and we present the cumulative distribution of first captures with stopover durations. We present the distributions of wing, third primary, tail length and body mass, and the annual means of these variables. Furthermore, we show the distribution of individual fat and muscle scores, and the distribution of body mass within each fat score category. We distinguish migration periods (spring and autumn), and age groups (i.e. juveniles and adults). Our aim is to provide a comprehensive overview of the analysed variables. However, we do not aim to interpret the obtained results, merely draw attention to interesting patterns, that may be worth exploring in detail. Data used here are available upon request for further analyses.

Open access
Exploratory analyses of migration timing and morphometrics of the Pied Flycatcher (Ficedula hypoleuca)

Abstract

Ornithological studies often rely on large temporal scale ringing datasets as source of information. However, basic descriptive statistics of collected data are rarely provided. In order to fill this gap, here we present the first item of a series of exploratory analyses of migration timing and body size measurements of the most frequent Passerine species at a ringing station located in Central Hungary (1984–2015). First, we give a concise description of foreign ring recoveries of the Pied Flycatcher in relation to Hungary. We then shift focus to data of 2860 individuals deriving from the ringing station, where birds have been trapped, handled and ringed with standardized methodology since 1984. Timing is described through annual and daily capture and recapture frequencies and their descriptive statistics. We show annual mean arrival dates within the study period and we present the cumulative distribution of first captures with stopover durations. We present the distributions of wing, third primary, tail length and body mass, and the annual means of these variables. Furthermore, we show the distribution of individual fat and muscle scores, and the distribution of body mass within each fat score category. We distinguish migration periods (spring and autumn), age (i.e. juveniles and adults) and sex groups. Our aim is to provide a comprehensive overview of the analysed variables. However, we do not aim to interpret the obtained results, merely draw attention to interesting patterns, that may be worth exploring in detail. Data used here are available upon request for further analyses.

Open access
Ecological Scarcity Method: Adaptation and Implementation for Different Countries

Abstract

The Ecological Scarcity Method is one of the methods for impact assessment in LCA. It enables to express different environmental impacts in single score units, eco-points. Such results are handy for decision-makers in policy or enterprises to improve environmental management.

So far this method is mostly used in the country of its origin, Switzerland. Eco-factors derive from the national conditions. For other countries sometimes it is impossible to calculate all ecofactors. The solution of the problem is to create a set of transformation rules. The rules should take into account the regional differences, the level of society development, the grade of scarcity and other factors. The research is focused on the creation of transformation rules between Switzerland, Germany and the Russian Federation in case of GHG emissions.

Open access
Tree testing and estimation of heritability using the pedunculate oak Quercus robur L. seed orchard in the Krotoszyn Forest District

Abstract

In this paper, we present the results and analyse of tree height measurements, phenological observations (bud flushing), oak powdery mildew symptoms and multiple shoots of pedunculate oaks Quercus robur L. at the age of 12 years. The examined oaks belonged to 29 open pollination families. Family as well as individual heritability scored very highly for their respective indices. The calculated indices were 0.83 for tree height, 0.98 for flushing of buds, 0.53 for oak powdery mildew symptoms and 0.58 for the multi-stem index. Family seed orchards established using a completely randomized design are not a reliable substitute for progeny testing, because of the commonly small number of collected families.

Open access
Exploratory analyses ofmigration timing andmorphometrics of the European Robin (Erithacus rubecula)

Abstract

Ornithological studies often rely on long-term bird ringing data sets as sources of information. However, basic descriptive statistics of raw data are rarely provided. In order to fill this gap, here we present the sixth item of a series of exploratory analyses of migration timing and body size measurements of the most frequent passerine species at a ringing station located in Central Hungary (1984–2017). First, we give a concise description of foreign ring recoveries of the European Robin in relation to Hungary. We then shift focus to data of 40,128 ringed and 11,231 recaptured individuals with 24,056 recaptures (several years recaptures in 313 individuals) derived from the ringing station, where birds have been trapped, handled and ringed with standardized methodology since 1984. Timing is described through annual and daily capture and recapture frequencies and their descriptive statistics. We show annual mean arrival dates within the study period and present the cumulative distributions of first captures with stopover durations. We present the distributions of wing, third primary, tail length and body mass, and the annual means of these variables. Furthermore, we show the distributions of individual fat and muscle scores, and the distributions of body mass within each fat score category.We distinguish the spring and autumn migratory periods and age groups (i.e. juveniles and adults). Our aim is to provide a comprehensive overview of the analysed variables. However, we do not aim to interpret the obtained results, merely to draw attention to interesting patterns that may be worth exploring in detail. Data used here are available upon request for further analyses.

Open access