Оси RLQ 1 и 2 определяются изменчивостью твердости почвы. Особенностью оси 1 является синхронный характер воздействия, начиная с глубины 10–15 см. Для оси 2 характерно нарастание воздействия с глубиной и достижения максимального уровня детерминации твердостью почвы начиная с глубины 25–30 см. Важным маркером оси 1 является температура почвы, а оси 2 – высота травостоя.
RLQ-анализ позволяет классифицировать животных по характеру их экологической структуры и связи с факторами окружающей среды. Кластерный анализ позволил выделить четыре комплекса видов, которые формируют функциональные группы А, В, С и D (рис. 4).
Расположение этих функциональных групп в пространстве RLQ осей представлено на рис. 5. Все функциональные группы расположены преимущественно в области позитивных значений оси 1, что соответствует участкам с меньшей твердостью почвы.
Центроиды функциональных групп А и В наиболее близки к началу координат, что свидетельствует о том, что представители этих групп занимают наиболее типичные для участка сайты. Функциональная группа А, представленная собственно почвенными дождевыми червями, в меньшей степени, чем прочие группы, чувствительна к ограничивающему влиянию твердости, очевидно в следствии способности этих животных самостоятельно прокладывать почвенные ходы. Экологической характеристикой этой группы является их принадлежность к эндогейным мезофилам, мезотрофоценоморфам, представителям фороморфы В4.
Наиболее крайнюю позицию вдоль оси RLQ 1 занимают представители функциональной группы D, в состав которой входят эпигейные моллюски. Вероятно, из комплекса факторов, которые характеризуют ось 1, для позиционирования группы D наиболее важным является мощность подстилки. Экологическими маркерами позитивных значений оси 1 является разнообразная совокупность экологических характеристик почвенных животных, некоторые из которых являются противоположными – ультрагигрофилы и ксерофилы, сильванты и степанты. Очевидно, это обстоятельство позволяет предположить, что в гигроморфы и ценоморфы не являются важными аспектами в создании структурных единиц животного населения, обозначаемых изменчивостью оси 1. Важность имеют топоморфы (тесная связь с подстилочным блоком) и трофоморфы (высокая доля фитофагов).
Экологическая специфика функциональных групп В и С определяется их противоположным положением по оси 2. Для группы В характерно преобладание сапрофагов, а для группы С – зоофагов. Функциональная группа В позитивно реагирует на мощность подстилки и высоту травостоя, но негативно – на твердость почвы. Твердость почвы можно рассматривать не только как фактор, который ограничивает перемещение животных в почве, но и как показатель возможности сохраняться в почве системы ходов и нор, если такие уже созданы. В этом контексте можно рассматривать позитивную связь твердости почвы функциональной группы С.
Результаты (
английский) 1:
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Axis 1 and 2 define RLQ variability of soil hardness. Feature 1 axis is the synchronous nature of effects, ranging from depths of 10-15 cm. For axis 2 is characterized by accumulation of impacts with depth and achieve the maximum level of determination soil hardness ranging from the depths of 25-30 cm. An important marker of 1 axis is the temperature of the soil, and 2 axis-height grass. RLQ analysis allows you to classify the animals on the nature of their ecological structure and relationship with environmental factors in Wednesday. Cluster analysis identified four sets of species that form functional groups a, b, c and D (fig. 4).The location of these functional groups in space axes RLQ presented at fig. 5. all functional groups are mainly in the area of positive values of axis 1, which corresponds to areas with less ground hardness.Centroids of functional groups a and b are closest to origin, which suggests that the representatives of these groups occupy the most typical plot sites. Functional group and provided proper soil, earthworms, to a lesser extent than other groups, sensitive to the bounding influence hardness, obviously due to the ability of these animals to lay on their own soil. Environmental characteristic of this group is their affiliation to èndogejnym mezofilam, mezotrofocenomorfam, foromorfy representatives B4. The most extreme position along the axis of the RLQ 1 functional group representatives (D), which consists of èpigejnye molluscs. Probably because of the complex factors that characterize the axis 1, for positioning of Group D is the most important power of the litter. Environmental markers positive axis values 1 is a diverse set of ecological characteristics of soil animals, some of which are opposite-ul′tragigrofily and xerophile, sil′vanty and stepanty. Obviously, this fact suggests that gigromorfy and cenomorfy are not important aspects in the creation of structural units of the animal population, denoted by the variability of axis 1. Importance are topomorfy (a close link with littered block) and trofomorfy (a high proportion of phytophages). Ecological specificity of functional groups and with their opposite position on axis 2. For a group characterized by the predominance of saprofagov, or for a group of c-zoofagov. Functional group in positively responding to power the litter and tall grass, but negative-hardness. Soil hardness can be seen not only as a factor that limits the movement of animals in the soil, but also as an indicator of ability to persist in the soil system moves and nor, if such has already been established. In this context, can be considered a positive relationship of soil hardness with functional group.
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Результаты (
английский) 2:
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RLQ axis 1 and 2 are determined by the variability of hardness of the soil. A feature of the axis 1 is the synchronous nature of the impact, starting at a depth of 10-15 cm. For axis 2 is characterized by the growth of the impact with the depth and the maximum level of determination of hardness of soil from a depth of 25-30 cm. An important marker of axis 1 is the temperature of the soil, and axis 2 -. the height of grass
RLQ-analysis allows us to classify the animals by the nature of their environmental structure and due to environmental factors. Cluster analysis allowed to identify four types of complex, which form functional groups A, B, C and D (Fig. 4).
The location of these functional groups in space RLQ axes shown in Fig. 5. All functional groups are located mainly in the field of positive values of the axis 1, which corresponds to areas with lower soil hardness.
Centroids functional groups A and B are the closest to the origin, which indicates that the representatives of these groups occupy the most common sites for the site. The functional group A is represented by the actual soil earthworms, to a lesser extent than other groups sensitive to the effect of limiting the hardness is obviously a consequence of the ability of these animals to lay their own soil moves. Environmental characteristic of this group is that they belong to endogeynym mesophiles, mezotrofotsenomorfam, representatives foromorfy B4.
The most extreme position along the axis of the RLQ 1 occupied by representatives of Functional Group D, which consists of Ground shellfish. Probably because of the complex factors that characterize one axis for positioning the power group D litter it is most important. Environmental markers positive value axis 1 is a diverse collection of environmental characteristics of soil animals, some of which are the opposite - and ultragigrofily xerophyllous, silvanty and stepanty. Obviously, this fact suggests that gigromorfy and tsenomorfy are not important aspects in the creation of the structural units of the animal population, referred to the axis 1. The importance of variability have topomorfy (close connection with the litter box) and trofomorfy (high proportion of herbivores).
Environmental specificity of the functional groups B and C are determined by their opposite positions along the axis 2. The group is characterized by the predominance of saprophages, and for the group - zoophages. The functional group in a positive respond to the power of the height of the grass and litter, but negative - on the soil hardness. The hardness of the soil can be seen not only as a factor that restricts the movement of animals in the soil, but also as an indicator of the ability to save in the soil system moves and burrows, if already set up. In this context, it can be considered a positive relationship the hardness of the functional group C soil
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Результаты (
английский) 3:
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the RLQ 1 and 2 are determined by the variability of soil hardness. feature of axis 1 is the synchronous nature of the effect, since the depth of 10-15 cm. an axle 2 is characterized by the increase of the impact depth and maximum level of determination of hardness of soil from the 25–30 cm. an important marker axis 1 is the temperature of the soil, and the axis 2, the height of травостоя.RLQ analysis allows to classify animals by the nature of their ecological structure and relation with environmental factors. cluster analysis identified four sets of species that form the functional groups a, b, c and d (figure 1). 4).the location of these functional groups in space RLQ axes is presented in figure 1. 5. all functional groups are located predominantly in the area of the positive values of the axis 1, which corresponds to the sites with the lower hardness of the soil.центроиды functional groups and in the most close to the coordinates that indicate that members of these groups are the most typical of the station sites. functional group and the actual soil earthworms, to a lesser extent than the other group, sensitive to ограничивающему influence firmness, apparently due to the ability of these animals to make soil moves. the environmental characteristic of this group is that it belongs to эндогейным мезофилам, мезотрофоценоморфам, representatives of фороморфы b4.the most extreme position along the axis RLQ 1 represent a functional unit d, which is composed of эпигейные mussels. probably from the set of factors that characterize the axis 1, positioning of group d was the most important capacity of litter. environmental markers positive values of axis 1 is a diverse set of environmental characteristics of soil animals, some of which are opposite, and ультрагигрофилы xerophile, сильванты and степанты. obviously, this fact suggests that the гигроморфы and ценоморфы are important aspects in the establishment of the structural units of the animal population, referred to as the volatilities of axis 1. the importance of топоморфы (have close connection with the littered floor block) and трофоморфы (high proportion of фитофагов).the specificity of the functional groups and determined by their opposite position on the axis 2. for the group is characterized by the predominance of сапрофагов, and group c is зоофагов. functional group in positively responds to power; and the height of травостоя, but negatively to soil hardness. the hardness of soil can be seen not only as a factor that limits the movement of the animals in the soil, but also as an indicator of opportunities remain in the soil system moves and the e
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