Invasive submerged plant has a stronger inhibitory effect on epiphytic algae than native plant

The invasion of submerged aquatic plants potentially results in a loss of native biodiversity in these ecosystems. There has been little attention paid to the impact of invasive submerged plants on epiphytic algal communities. We conducted a 30-day outdoor mesocosm experiment on the shore of subtropical Lake Liangzihu, China, to investigate the effects of two submerged plant species, an invasive species (Elodea nuttallii) and a native species (Hydrilla verticillata), on epiphytic algal communities. We also explored the relationship between macrophyte secondary metabolites and epiphytic algae by conducting a laboratory cultivation experiment. We give the raw dataste, including the specie data of abundance, epiphytic algal communities traits, and environmental parameters in the outdoor mesocosm experiment and laboratory cultivation experiment, and also including the data of plant traits., Water samples were collected from a depth of 50 cm in all 15 ponds on the 10th, 20th, and 30th day of the study period. Water temperature (T), dissolved oxygen (DO), pH, turbidity (Turb), and chlorophyll a concentration (Chl-a) were measured using a handheld multi-parameter water analyzer (HYDROLAB HL7, HACH, USA) during field tests. Moreover, we collected 1 L water samples at 50 cm depth from each pond for chemical analysis and immediately stored them on ice. Total nitrogen (TN) and total phosphorus (TP) were analyzed using a flow injection analyzer (QC8500, LACHAT, USA), and dissolved inorganic carbon (DIC) was measured using a total organic carbon analyzer (TOC-L, SHIMADZU, Japan).
At the time of measurement, 50 leaves of Hydrilla verticillata, Elodea nuttallii, and a plant with bionic properties were carefully selected to ensure uniformity in growth state or size before placing them in a wide-mouth plastic bottle with 100 mL of pure water in the respective pond. Epiphytic algae were..., , # Data from: Invasive submerged plant has a stronger inhibitory effect on epiphytic algae than native plant

This dataset includes:

(1) speme-specie data of abundance in the outdoor mesocosm experiment;

(2) spece-specie data of abundance in the laboratory cultivation experiment;

(3) ctme-data of epiphytic algal communities traits in the outdoor mesocosm experiment;

(4) ctce-data of epiphytic algal communities traits in the laboratory cultivation experiment;

(5) envme-environmental parameters in the outdoor mesocosm experiment;

(6) envce-environmental parameters in the laboratory cultivation experiment;

(7) pt-data of plant traits;

Information for column headers

Table speme: ID-sample ID, column heads B1 to AV1 was algae species ID. Unit: Cell/mm2

Table spece: ID-sample ID, column heads B1 to Z1 was algae species ID. Unit: Cell/mm2

Table ctme: ID-species ID, time-measurement time (unit: day), group-group, chla- epiphytic algal chlorophyll a concentration (unit: ug/L), FvFm-max...