Results 31 to 40 of about 8,899 (228)

Nesting behaviour and description of the larva of Alysson spinosus (Panzer, 1801) (Hymenoptera: Bembicidae)

open access: yesThe European Zoological Journal, 2022
The paper presents new data on the nesting habits of the digger wasp Alysson spinosus (Hymenoptera: Bembicidae). As food for larvae, the female provisioned about 7–8 hemipteran nymphs or imagines per cell.
P. Olszewski   +3 more
doaj   +1 more source

Characteristics and health conditions of the linden trees (Tilia sp.) In the avenue layout of Nałęczowska street in Lublin [PDF]

open access: yesActa Scientiarum Polonorum. Formatio Circumiectus, 2018
Old avenues, or alleys of trees, form an important part of the cultural landscape. They used to be planted mainly in gardens and parks; later, they started playing an even more important role, particularly in the open areas, and within urban landscapes ...
Joanna Renda, Ewa Mackoś-Iwaszko
doaj   +1 more source

CYTOGENETIC CHANGES IN CELLS OF THE APICAL MERISTEM OF GREEN PLANTING OF THE CITY DEPENDING ON THE LEVEL OF ANTHROPOGENIC LOAD

open access: yesЮг России: экология, развитие, 2017
Aim. The aim of the research is to study the cytogenetic disorders in the cells of apical meristem of the sprouts of urban green plantations of the small-leaved linden (Tilia cordata L.) and rattlertree (Populus alba L.) growing under different ...
Galina G. Ladnova   +3 more
doaj   +1 more source

Growth of Tilia cordata Mill. in Urban Forests

open access: yesSouth-East European Forestry, 2020
Tilia cordata Mill. is considered to be the main tree species resistant to urban conditions and it is widely used in the greening of cities. The aim of the study is to assess the patterns of growth and development of small-leaved linden plantations in ...
Maria Martynova   +4 more
doaj   +1 more source

Food Preferences in Two Detritivore Species: Laboratory Choice Tests Using Leaf Litters of Different Tree Species

open access: yesStudia Ecologiae et Bioethicae, 2023
Soil fauna, including terrestrial isopods, millipedes and earthworms, play an important role in the decomposition of litter through the process of shredding it during consumption.
Gabriela Makulec   +1 more
doaj   +1 more source

Fortification of Beer with Extracts of the Selected Czech Medicinal Herbs and Plants

open access: yesKvasný průmysl, 2020
This study investigated the possibilities of fortification of beer with various herbal extracts. The aim was to fortify beer with natural substances that have favourable effects on consumers´ health.
Helena Pluháčková   +5 more
doaj   +1 more source

What are the important landscape components for habitat selection of the ortolan bunting Emberiza hortulana in northern limit of range? [PDF]

open access: yes, 2015
Ortolan buntings Emberiza hotulana have undergone one of the most severe population declines of any European farmland bird over the last thirty years. The aim of this study was to find out which habitat features, including crop characteristics,
Elts, Jaanus   +2 more
core   +2 more sources

Biotic stability of Scots pine growing in stands on fairly fertile soil types of the Lviv Roztochya

open access: yesНаукові праці Лісівничої академії наук України, 2021
In recent years in Ukraine and other European countries, there has been observed a decrease in biotic resistance and mass drying of pine stands. The ecological precondition for this drying off is global climate change and related fluctuations, primarily,
Hryhoriy Krynytskyy   +4 more
doaj   +1 more source

Spatiotemporal Modeling of Coniferous Forests Dynamics along the Southern Edge of Their Range in the Central Russian Plain

open access: yesRemote Sensing, 2021
Forests with predominance of Norway spruce (Picea abies (L.) H. Karst.) and Scots pine (Pinus sylvestris L.) within the hemiboreal zone are considered as secondary communities formed under long-term human activity (logging, plowing, fires and ...
Tatiana Chernenkova   +3 more
doaj   +1 more source

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