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Influence of hydrological regime on plants of English oak Quercus robur L. under conditions of Volga-Akhtuba floodplain
- Authors: Bakaneva A.A.1
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Affiliations:
- Precaspian Agrarian Federal Scientific Center of the Russian Academy of Sciences
- Issue: Vol 19, No 3 (2024)
- Pages: 459-467
- Section: Protective afforestation
- URL: https://agrojournal.rudn.ru/agronomy/article/view/20064
- DOI: https://doi.org/10.22363/2312-797X-2024-19-3-459-467
- EDN: https://elibrary.ru/CAJTVP
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Abstract
Different methods of planting English oak (Quercus robur L.) — acorns, one-year-old seedlings and two-year-old saplings — on experimental plots of Volga-Akhtuba floodplain in the Astrakhan region, Chernoyarsk district, village of Solenoye Zaymishche were studied. The following variants of hydrological conditions — long-duration flooding, short-duration flooding, non-flooding — were studied. Forests of the Astrakhan region are experiencing enormous natural and anthropogenic loads, which leads to the degradation of forest phytocenosis. Therefore, such studies are relevant for this region. The purpose of the research was to study the methods of planting English oak (Quércus róbur) with various planting materials, including acorns, one-year-old seedlings and two-year-old saplings in the floodplain conditions of the Volga River in the village of Solenoye Zaymishche. The data obtained were processed by the method of variance analysis of B.A. Dospekhov (2014) using the Microsoft Excel program. According to the results of the three-year study (2021—2023), the highest survival (56 %) was noted under conditions of Volga-Akhtuba floodplain on long-duration flooding site with two-year-old saplings, which exceeded the other variants by 4–5 times.
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Table 1. The scheme of the experiment of planting English oak under conditions of Volga-Akhtuba floodplain in Solenoye Zaymishche village
Planting material — | Planting date | The duration of flooding of the sites — Factor B | ||
Non-flooding | Short-duration flooding | Long-duration flooding | ||
Acorns | Autumn 2020 | 30 | 30 | 30 |
One-year-old seedlings | Spring 2021 | 30 | 30 | 30 |
Two-year-old saplings | Spring 2021 | 30 | 30 | 30 |
Dynamics of the spring flood level by the research years (2021—2023)
Source: created by A.A. Bakaneva
Table 2. Survival of seedlings (saplings) of English oak 3 years after planting under conditions of Volga-Akhtuba floodplain, 2023
Planting material — Factor A | Planting date | The duration of flooding of the sites — Factor B | ||
Non-flooding | Non-flooding | Non-flooding | ||
Acorns | Autumn 2020 | 10/33* | 7/23 | 4/13 |
One-year-old seedlings | Spring 2021 | 4/13 | 10/33 | 3/10 |
Two-year-old saplings | Spring 2021 | 6/20 | 3/10 | 17/56 |
LSD (05) total | 1.75** | |||
LSD (05) А | 1.02 | |||
LSD (05) В | 1.01 | |||
LSD (05) АВ | 1.02 | |||
Note. * Numerator — the number of plants; denominator — the percentage of the planted amount; **LSD — calculated by the number of plants.
Table 3. Height of seedlings (saplings) (cm) of English oak 3 years after planting, 2023
Planting material — Factor A | The duration of flooding of the sites — Factor B | ||
Non-flooding | Non-flooding | Non-flooding | |
Acorns | *0/13.3** | 0/14.2 | 0/14.4 |
One-year-old seedlings | 18.3/21.2 | 17.4/20.3 | 18.2/21.3 |
Two-year-old saplings | 17.5/17.5 | 18.6/18.6 | 17.4/20.5 |
LSD (05) total | 0.86 | ||
LSD (05) А | 0.49 | ||
LSD (05) В | 0.49 | ||
LSD (05) АВ | 0.50 | ||
Note. * Numerator — height at planting; denominator — height after 3 years; ** the analysis of variance was carried out according to the data of 2023.
About the authors
Anna A. Bakaneva
Precaspian Agrarian Federal Scientific Center of the Russian Academy of Sciences
Author for correspondence.
Email: solnce5508@mail.ru
ORCID iD: 0000-0002-2619-8794
SPIN-code: 7306-1060
Junior Researcher, Department of Environmental Management
8 Severny street, Solenoe Zaimishche, Chernoyarsky District, Astrakhan Region, 416251, Russian FederationReferences
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