Wyniki wyszukiwania

1

Problems of budget allocation in the development of local education system

100%

Kowalska I.

Acta Scientiarum Polonorum. Oeconomia

|

2007

|

tom 06

|

nr 3

75-83

2

The influence of standing vegetation height on the reproductive allocation In populations of Serratula tinctoria L. (Asteraceae)

86%

Kostrakiewicz-Gieralt K., Baba W.

Polish Journal of Ecology

|

2014

|

tom 62

|

nr 1

The advantage of the clonal plants over the nonclonal species in colonization of all biomes and biogeographical regions primarily is due to occurrence of two modes of reproduction. The creating of vegetative propagules with high vitality and survivability, enables the spread in the newly colonized site, while seed production increases the chances for successful recruitment of seedlings, ensuring the genetic diversity of the population. The differences in allocation into vegetative reproduction and generative propagation in relation to rising height of adjacent plants was investigated in populations of Serratula tinctoria L., occurring in Molinietum caeruleae meadows localized in Southern Poland. Each locality was represented by randomly established three permanent study plots: dominated by small meadow species (LOW), prevailed by large-tussock grasses (INTER) and overgrown by shrubs and trees (HIGH). In the years 2009–2011 the number of leaf rosettes and length of the longest leaf in rosette (as a measure of allocation in vegetative propagation), as well as height of generative stems, number of capitula per stem and number of seeds per capitulum (as indicators of investment in generative reproduction) were observed. The allocation in vegetative reproduction decreased along the gradient of vegetation height. The gradually decline of number of rosettes might be caused by lack of free space suitable for establishment of new ramets, whereas the small leaf size could be due to drastically augmentation of shading. The allocation in generative reproduction increased along the gradient of vegetation height. The placement of structures necessary for generative propagation in higher layers of herbaceous canopy, as well as considerable number of capitula and seed production might increase the chances for successful recruitment of seedlings. On the basis of obtained results combining with published data it should be assumed, that the substantial allocation in vegetative reproduction and the slight investment in generative propagation seems to be sufficient for persistence of Serratula tinctoria populations in patches dominated by small meadow species, while the considerable allocation in generative reproduction could be crucial for maintenance of population viability under competitive conditions.

3

Artykuł dostępny w postaci pełnego tekstu - kliknij by otworzyć plik

Endogenous potential of rural areas vs. the structure and allocation of funds under the 2007-2013 RDP

86%

Biczkowski M.

Journal of Agribusiness and Rural Development

|

2019

|

nr 1[51]

4

Analiz sredstv mekhanizacii poluchenija semjan bakhchevykh kul'tur

86%

Gorbenko E., Norinskaya A., Gorbenko N., Kim N.

Motrol. Motoryzacja i Energetyka Rolnictwa

|

2013

|

tom 15

|

nr 2

5

Allocation of the EU funds and the development level of communes in rural areas of the Malopolska province

72%

Zmija K.

Acta Scientiarum Polonorum. Oeconomia

|

2015

|

tom 14

|

nr 3

Due to the specifi c problems of the rural areas in the Małopolska Province, the measures directed at the support of their multifunctional development are of a particular importance. Such measures are one of the principal aims of the rural areas development policy. This paper is an attempt to determine the direction of the spatial allocation of the funds received in the framework of the selected measures within the Rural Development Program (PROW) in the years 2007–2013, assigned to the support of the multifunctional development of rural areas, taking into account the socio-economic development level of the communes in the rural areas of the Małopolska Province. The results of the study suggest a territorial variations in the funds’ absorption and the existence of signifi cant differences in this respect among the studied communes. However, on the level of individual communes, no relationships among the socio-economic development level of a commune and the total value of the subsidies obtained by the benefi ciaries in the commune were revealed.

6

Creating and allocating the supply of agri-food products in European Union countries

72%

Mrowczynska-Kaminska A., Baer-Nawrocka A.

Journal of Agribusiness and Rural Development

|

2018

|

nr 3[49]

7

Systematic solutions and modeling on eco-water and its allocation applied to urban river restoration: case study in Beijing, China

72%

Xia J., Zhai X., Zeng S., Zhang Y.

International Journal of Ecohydrology and Hydrobiology

|

2014

|

tom 14

|

nr 1

8

Aboveground biomass allocation and accumulation in a chronosequence of young Pinus sylvestris stands growing on a lignite mine spoil heap

72%

Jagodzinski A. M., Kalucka I., Horodecki P., Oleksyn J.

Dendrobiology

|

2014

|

tom 72

It is not clear to what extent trees growing on anthropogenic sites change their growth and biomass allocation to different organs. We assessed the aboveground biomass in a chronosequence of six Scots pine monocultures (between 6 and 20 years old) to examine how precisely the site-specific or control allometric equations may reflect the value of biomass accumulation and allocation in stands growing in harsh site conditions on the overlayer spoil heap made as a result of opencast brown coal mining. The site is characterized by poor edaphic and water conditions and nutrient deficiency. The control equations were developed from Scots pine stands growing on post-agricultural lands in the close vicinity of the spoil heap. We found that equation type significantly influenced results of predicted biomass accumulation for all biomass components studied (although results were only marginally significant for total aboveground biomass, P=0.08). Total aboveground biomass in younger stands (6–9 years old) estimated using site-specific equations was >40% higher and for older stands (17–20 years old) from 7 to 27% lower than estimated using equations developed for the control sites. Our study revealed that under harsh environmental conditions in spoil heaps, biomass of young Scots pine stands significantly differ from values calculated based on control equations developed for more fertile soils with better water conditions in the same region. The control biomass equations may not be suitable to estimate biomass accumulation in stands growing on infertile habitats with poor water conditions, if the control equations are developed for nearby stands but growing under better site conditions.

9

The formation of transportation route selection model of the urban population in Matlab software environment

72%

Fornalchyk Y., Demchuk I.

Teka Komisji Motoryzacji i Energetyki Rolnictwa

|

2015

|

tom 15

|

nr 3

10

Technical reserves in the insurance services - comparison of national limits in the selected EU countries

58%

Blahowa M., Majtanova A.

Acta Scientiarum Polonorum. Oeconomia

|

2009

|

tom 08

|

nr 1

11

Local government performance and spatial dependencies: drivers of structural support allocation?

58%

Zarnekow N., Henning C. H. C. A.

Zeszyty Naukowe Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie. Problemy Rolnictwa Światowego

|

2010

|

tom 10(25)

|

nr 3

A central aim of the Regional Policy of the European Union is a regional cohesion. Major instruments are regional policy programs financed via various European funds. The allocation of regional policy funds varies dramatically across regions even when one controls for regional development indicators. Thus, what political economy factors determine the access to financial support of regional policy funds? With this regard, the paper highlights the role of local government performance. Beyond, it is tested for spatial dependencies, e.g. if knowledge spillovers determine the ability to capture regional funds. Pars pro toto empirical analyses focus on the allocation of SAPARD funds in Slovakia using cross-section as well as panel data. The government performance is measured as a technical efficiency of local public good provision and derived within a non-parametric DEA approach. Results show that the government efficiency has a positive significant impact on the structural funding allocation. Furthermore, spatial dependencies occur. With respect to the program duration, it is concluded that knowledge spillovers take place, supporting a successfully program participation.

12

Effect of genetic relatedness on the allometric relationship between biomass investment and sexual reproduction in clonal plant

58%

Stojkovic B., Barisic Klisaric N., Avramov S., Tarasjev A.

Polish Journal of Ecology

|

2009

|

tom 57

|

nr 2

371-375

In order to analyze changes in biomass allocation patterns across genetically structured populations where plants are competing for access to light, we performed glasshouse experiment with controlled genetic identity of competitors. Clonal replicates of 17 Lamium maculatum (L.) genotypes were grown in three treatments: control (low competition for light availability), intraclonal and interclonal competition. It was shown that competition between genetically unrelated individuals (interclonal treatment) was the most stressful environment for Spotted Dead Nettle. Results of allometry analyses, based on standardized major axis (SMA) mathematical procedure, have shown the smallest differences in relative investment to sexual reproduction between larger and smaller individuals when competing with unrelated plants. Our results indicate that allometric relationships between vegetative and reproductive traits could be strongly affected by genetic relatedness of competing plants.

13

Effects of contrasting habitats on the phenology, seasonal growth, and dry-mass allocation pattern of two bulbous geophytes [Alliaceae] with partly different geographic ranges

58%

Duchoslav M.

Polish Journal of Ecology

|

2009

|

tom 57

|

nr 1

15-32

Allium oleraceum L. and A. vineale L. are two related bulbous geophytes with an annual storage organ that coexist in a wide range of habitats but show both partly different geographic ranges and habitat preferences in Europe. To explore whether ecological and distributional differences between species can be related to expected variation in some key life-history traits between them, research was undertaken to compare the phenology, seasonal growth, and dry-mass allocation of vegetative and reproductive plants of the species at successional gradient comprising three sites with contrasting environmental conditions (steppe, scrub, forest), where populations of the study species coexist (the Czech Republic). The results showed, in general, partly different timing of phenophases between species and different responses of species to contrasting environmental conditions. A. vineale displayed an annual life cycle similar to that observed in many Mediterranean geophytes, i.e. regularly sprouting above ground before the arrival of winter, its growth was concentrated into early and mid-spring and started to wither after a temperature increase and several short-term drought events in early summer, though its flowering was delayed until late June. A. oleraceum showed high year-on-year variation in the onset of shoot elongation above-ground; its growth was concentrated into mid- and late spring and its flowering was delayed until July. The patterns of phenology observed between the study species thus partly reflect selection under different environmental conditions of their origin. The total duration of the green above-ground period of reproductive plants in both species continued about 1.5–2 months beyond that of the vegetative ones. Over main growth period, mean relative growth rates (RGR) of A. oleraceum and A. vineale ranged from 20 to 22 and from 6 to 28 mg g⁻¹dw day⁻¹, respectively. A. vineale showed significantly higher RGR than A. oleraceum only in steppe conditions while at shaded sites the reverse pattern was found. The RGR of both vegetative and reproductive plants of A. oleraceum did not differ from one site to another. On the other hand, both vegetative and reproductive A. vineale plants showed lower RGR at shaded sites than at steppe one. Shading increased allocation into leaves in both species, caused complete abortion of developing scapes in A. vineale but only reduced reproductive allocation in A. oleraceum. A. oleraceum was able to maintain fitnessrelated traits more stably across the environments studied than A. vineale that fit well into the pattern of habitat differentiation observed between them in Central Europe. Data concerning growth of and allocation into new bulb in both species also support the hypothesis that allocating reserves for the coming year is the first priority in geophytes with an annual storage organ.

14

Phenotypic responses to water flow and wave exposure in aquatic plants

58%

Szmeja J., Galka A.

Acta Societatis Botanicorum Poloniae

|

2008

|

tom 77

|

nr 1

Plastic responses of 10 aquatic plant species from 5 rivers and 5 lakes in NW Poland were examined. Chara fragilis, C. delicatula, Potamogeton pectinatus, P. perfoliatus, P. natans, Spirodela polyrhiza, Hydrocharis morsus-ranae, Salvinia natans, Nymphoides peltata and Juncus bulbosus were the subject of research. In the running water of rivers, rhizophytes were generally bigger and they allocated from 0.6% to 58.6% more biomass for anchoring in the substrate than in stagnant water (ox bow lakes). In both flow variants rhizophytes allocated a similar biomass fraction for generative reproduction. On the other hand, under the influence of water flow pleustophytes reduced the mass of an individual (Spirodela by 25%, Hydrocharis 67%, Salvinia 77%) and emergent structures (p<0.001), and the number of sporangia (p<0.001). In both flow variants the input of biomass to generative reproduction was the same (Salvinia), or it was greater in running water (Hydrocharis; an increase from 4.9±1.3% to 15.1±3.6%). Under the conditions of strong wave action, in comparison with the lack of this environmental factor, Chara delicatula was several times shorter (p<0.001). However, it was also stouter, and as a result it had similar mass. In the areas of wave action the plant allocated 88.8% of its mass for anchoring in the substrate, whereas when there were no waves, only 22.7%.

15

Biomass allocation to anchoring structures in the aquatic macrophytes from the subcontinental and Atlantic climates in Europe

58%

Szmeja J., Clement B., Bociag K., Galka A., Skurzynski P.

Acta Societatis Botanicorum Poloniae

|

2008

|

tom 77

|

nr 2

Biomass allocation to anchoring structures in 10 species of aquatic macrophytes in two types of the cool and humid temperate climate in Europe, subcontionental (NW Poland) and Atlantic (W France), was examined. The study focused on the weight of anchoring organs in Chara delicatula Ag., Ch. fragilis Desv., Juncus bulbosus L., Littorella uniflora (L.) Asch., Luronium natans (L.) Raf., Potamogeton pectinatus L., P. perfoliatus L., P. natans L. and Ranunculus fluitans (Lam.) Wimm., as well as submerged structures in Hydrocharis morsus-ranae L. The plants were collected from 10 geographically distant lakes and 2 rivers with a current velocity of 0.3-0.5 m s-1. It was assumed that biomass allocation to anchoring structures in rooting macrophytes depends on the time that mechanical forces, which can remove the plants from the occupied area, exert their effect. It was found that, in the Atlantic and subcontinental climates, the ratio between the biomass of underground (or submerged) and above-ground structures (U/A index), calculated for the ramets of Chara fragilis, Hydrocharis morsus-ranae and Ranunculus fluitans, has similar values (p>0.05). Nevertheless, among seven species of Cormophyta, which were anchored in the lake or pond littoral, six (Juncus bulbosus, Littorella uniflora, Luronium natans, Potamogeton pectinatus, P. perfoliatus and P. natans) had higher values of the U/A index in the Atlantic climate than in the subcontinental type (p < 0.05). This can be explained by the lack of ice cover and, consequently, a longer time of wave action than in the subcontinental climate.

16

Rozbieżność ocen w grupowym podejmowaniu decyzji jako istotna informacja w rozstrzyganiu konfliktów przestrzennych

51%

Jaroszewicz J.

Acta Scientiarum Polonorum. Administratio Locorum

|

2017

|

tom 16

|

nr 3

17

Nadzwyczajne Walne Zebranie Członków Związku na Rzecz Odpowiedzialnego Leśnictwa FSC Polska odpowiedzią na zawieszenie licencji dla FSC Polska

44%

A.F.

Biuletyn Informacyjny Ośrodka Badawczo-Rozwojowego Przemysłu Płyt Drewnopochodnych w Czarnej Wodzie

|

2015

|

tom 56

|

nr 1-2

Ograniczanie wyników

Problems of budget allocation in the development of local education system

The influence of standing vegetation height on the reproductive allocation In populations of Serratula tinctoria L. (Asteraceae)

Endogenous potential of rural areas vs. the structure and allocation of funds under the 2007-2013 RDP

Analiz sredstv mekhanizacii poluchenija semjan bakhchevykh kul'tur

Allocation of the EU funds and the development level of communes in rural areas of the Malopolska province

Creating and allocating the supply of agri-food products in European Union countries

Systematic solutions and modeling on eco-water and its allocation applied to urban river restoration: case study in Beijing, China

Aboveground biomass allocation and accumulation in a chronosequence of young Pinus sylvestris stands growing on a lignite mine spoil heap

The formation of transportation route selection model of the urban population in Matlab software environment

Technical reserves in the insurance services - comparison of national limits in the selected EU countries

Local government performance and spatial dependencies: drivers of structural support allocation?

Effect of genetic relatedness on the allometric relationship between biomass investment and sexual reproduction in clonal plant

Effects of contrasting habitats on the phenology, seasonal growth, and dry-mass allocation pattern of two bulbous geophytes [Alliaceae] with partly different geographic ranges

Phenotypic responses to water flow and wave exposure in aquatic plants

Biomass allocation to anchoring structures in the aquatic macrophytes from the subcontinental and Atlantic climates in Europe

Rozbieżność ocen w grupowym podejmowaniu decyzji jako istotna informacja w rozstrzyganiu konfliktów przestrzennych

Nadzwyczajne Walne Zebranie Członków Związku na Rzecz Odpowiedzialnego Leśnictwa FSC Polska odpowiedzią na zawieszenie licencji dla FSC Polska